The Circadian Code – by Dr. Satchin Panda
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There’s a lot more to circadian rhythm than “sleep during these hours”. And there’s a lot more to bear in mind than “don’t have blue/white light at night”.
In fact, Dr. Satchin Panda explains, there’s a whole daily symphony of movements in our body as different biochemical processes wax and wane according to what time of day it is.
There are several important things he wants us to know about this:
- Our body needs to know what time it is, for those processes to work correctly
- Because of these daily peaks and troughs of various physiological functions, we get “correct” times for things we do every day. Not just sleeping/waking, but also:
- The best time to eat
- The best time to exercise
- The best time to do mental work
- The best times to take different kinds of supplements/medications
Dr. Panda also looks at what things empower, or disempower, our body to keep track of what time it is.
Bottom line: if you’d like to optimize your days and your health, this book has a lot of very valuable practicable tips.
Click here to check out The Circadian Code, and make the most of yours!
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What does it mean to be transgender?
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Transgender media coverage has surged in recent years for a wide range of reasons. While there are more transgender television characters than ever before, hundreds of bills are targeting transgender people’s access to medical care, sports teams, gender-specific public spaces, and other institutions.
Despite the increase in conversation about the transgender community, public confusion around transgender identity remains.
Read on to learn more about what it means to be transgender and understand challenges transgender people may face.
What does it mean to be transgender?
Transgender—or “trans”—is an umbrella term for people whose gender identity or gender expression does not conform to their sex assigned at birth. People can discover they are trans at any age.
Gender identity refers to a person’s inner sense of being a woman, a man, neither, both, or something else entirely. Trans people who don’t feel like women or men might describe themselves as nonbinary, agender, genderqueer, or two-spirit, among other terms.
Gender expression describes the way a person communicates their gender through their appearance—such as their clothing or hairstyle—and behavior.
A person whose gender expression doesn’t conform to the expectations of their assigned sex may not identify as trans. The only way to know for sure if someone is trans is if they tell you.
Cisgender—or “cis”—describes people whose gender identities match the sex they were assigned at birth.
How long have transgender people existed?
Being trans isn’t new. Although the word “transgender” only dates back to the 1960s, people whose identities defy traditional gender expectations have existed across cultures throughout recorded history.
How many people are transgender?
A 2022 Williams Institute study estimates that 1.6 million people over the age of 13 identify as transgender in the United States.
Is being transgender a mental health condition?
No. Conveying and communicating about your gender in a way that feels authentic to you is a normal and necessary part of self-expression.
Social and legal stigma, bullying, discrimination, harassment, negative media messages, and barriers to gender-affirming medical care can cause psychological distress for trans people. This is especially true for trans people of color, who face significantly higher rates of violence, poverty, housing instability, and incarceration—but trans identity itself is not a mental health condition.
What is gender dysphoria?
Gender dysphoria describes a feeling of unease that some trans people experience when their perceived gender doesn’t match their gender identity, or their internal sense of gender. A 2021 study of trans adults pursuing gender-affirming medical care found that most participants started experiencing gender dysphoria by the time they were 7.
When trans people don’t receive the support they need to manage gender dysphoria, they may experience depression, anxiety, social isolation, suicidal ideation, substance use disorder, eating disorders, and self-injury.
How do trans people manage gender dysphoria?
Every trans person’s experience with gender dysphoria is unique. Some trans people may alleviate dysphoria by wearing gender-affirming clothing or by asking others to refer to them by a new name and use pronouns that accurately reflect their gender identity. The 2022 U.S. Trans Survey found that nearly all trans participants who lived as a different gender than the sex they were assigned at birth reported that they were more satisfied with their lives.
Some trans people may also manage dysphoria by pursuing medical transition, which may involve taking hormones and getting gender-affirming surgery.
Access to gender-affirming medical care has been shown to reduce the risk of depression and suicide among trans youth and adults.
To learn more about the trans community, visit resources from the National Center for Transgender Equality, the Trevor Project, PFLAG, and Planned Parenthood.
If you or anyone you know is considering suicide or self-harm or is anxious, depressed, upset, or needs to talk, call the Suicide & Crisis Lifeline at 988 or text the Crisis Text Line at 741-741. For international resources, here is a good place to begin.
This article first appeared on Public Good News and is republished here under a Creative Commons license.
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Revive and Maintain Metabolism
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It’s Q&A Day at 10almonds!
Have a question or a request? You can always hit “reply” to any of our emails, or use the feedback widget at the bottom!
In cases where we’ve already covered something, we might link to what we wrote before, but will always be happy to revisit any of our topics again in the future too—there’s always more to say!
As ever: if the question/request can be answered briefly, we’ll do it here in our Q&A Thursday edition. If not, we’ll make a main feature of it shortly afterwards!
So, no question/request too big or small
❝How to jump start a inactive metabolism and keep it going? THANKYOU❞
The good news is, if you’re alive, your metabolism is active (it never stops!). So, it may just need perking up a little.
As for keeping it going, well, that’s what we’re here for! We’re all in favor of healthy longevity.
We’ll do a main feature soon on what we can do to influence our metabolism in either direction, but to give some quick notes here:
- A lot of our metabolism is influenced by genes and is unalterable (without modifying our genes, anyway)
- Metabolism isn’t just one thing—it’s many. And sometimes, parts of our metabolism can be much quicker or slower than others.
- When people talk about wanting a “faster metabolism”, they’re usually referring to fat-burning, and that’s just a small part of the picture, but we understand that it’s a focal point for many.
There really is enough material for a whole main feature on metabolic tweaks, though, so watch this space!
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Your Brain On (And Off) Estrogen
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This is Dr. Lisa Mosconi. She’s a professor of Neuroscience in Neurology and Radiology, and is one of the 1% most influential scientists of the 21st century. That’s not a random number or an exaggeration; it has to do with citation metrics collated over 20 years:
A standardized citation metrics author database annotated for scientific field
What does she want us to know?
Women’s brains age differently from men’s
This is largely, of course, due to menopause, and as such is a generalization, but it’s a statistically safe generalization, because:
- Most women go through menopause—and most women who don’t, avoid it by dying pre-menopause, so the aging also does not occur in those cases
- Menopause is very rarely treated immediately—not least of all because menopause is diagnosed officially when it has been one year since one’s last period, so there’s almost always a year of “probably” first, and often numerous years, in the case of periods slowing down before stopping
- Menopausal HRT is great, but doesn’t completely negate that menopause occurred—because of the delay in starting HRT, some damage can be done already and can take years to reverse.
Medicated and unmedicated menopause proceed very differently from each other, and this fact has historically caused obfuscation of a lot of research into age-related neurodegeneration.
For example, it is well-established that women get Alzheimer’s at nearly twice the rate than men do, and deteriorate more rapidly after onset, too.
Superficially, one might conclude “estrogen is to blame” or maybe “the xx-chromosomal karyotype is to blame”.
The opposite, however, is true with regard to estrogen—estrogen appears to be a protective factor in women’s neurological health, which is why increased neurodegeneration occurs when estrogen levels decline (for example, in menopause).
For a full rundown on this, see:
Alzheimer’s Sex Differences May Not Be What They Appear
It’s not about the extra X
Dr. Mosconi examines this in detail in her book “The XX Brain”. To summarize and oversimplify a little: the XX karyotype by itself makes no difference, or more accurately, the XY karyotype by itself makes no difference (because biologically speaking, female physiological attributes are more “default” than male ones; it is only 12,000ish* years of culture that has flipped the social script on this).
*Why 12,000ish years? It’s because patriarchalism largely began with settled agriculture, for reasons that are fascinating but beyond the scope of this article, which is about health science, not archeology.
The topic of “which is biologically default” is relevant, because the XY karyotype (usually) informs the body “ignore previous instructions about ovaries, and adjust slightly to make them into testes instead”, which in turn (usually) results in a testosterone-driven system instead of an estrogen-driven system. And that is what makes the difference to the brain.
One way we can see that it’s about the hormones not the chromosomes, is in cases of androgen insensitivity syndrome, in which the natal “congratulations, it’s a girl” pronouncement may later be in conflict with the fact it turns out she had XY chromosomes all along, but the androgenic instructions never got delivered successfully, so she popped out with fairly typical female organs. And, relevantly for Dr. Mosconi, a typically female brain that will age in a typically female fashion, because it’s driven by estrogen, regardless of the Y-chromosome.
The good news
The good news from all of this is that while we can’t (with current science, anyway) do much about our chromosomes, we can do plenty about our hormones, and also, the results of changes in same.
Remember, Dr. Mosconi is not an endocrinologist, nor a gynecologist, but a neurologist. As such, she makes the case for how a true interdisciplinary team for treating menopause should not confined to the narrow fields usually associated with “bikini medicine”, but should take into account that a lot of menopause-related changes are neurological in nature.
We recently reviewed another book by Dr. Mosconi:
The Menopause Brain – by Dr. Lisa Mosconi
…and as we noted there, many sources will mention “brain fog” as a symptom of menopause, Dr. Mosconi can (and will) point to a shadowy patch on a brain scan and say “that’s the brain fog, there”.
And so on, for other symptoms that are often dismissed as “all in your head”, as though that’s a perfectly acceptable place for problems to be.
This is critical, because it’s treating real neurological things as the real things they are.
Dr. Mosconi’s advice, beyond HRT
Dr. Mosconi notes that brain health tends to dip during perimenopause but often recovers, showing the brain’s resilience to hormonal shifts. As such, all is not lost if for whatever reason, hormone replacement therapy isn’t a viable option for you.
Estrogen plays a crucial role in brain energy, and women’s declining estrogen levels during menopause increase the need for antioxidants to protect brain health—something not often talked about.
Specifically, Dr. Mosconi tells us, women need more antioxidants and have different metabolic responses to diets compared to men.*
*Yes, even though men usually have negligible estrogen, because their body (and thus brain, being also part of their body) is running on testosterone instead, which is something that will only happen if either you are producing normal male amounts of testosterone (requires normal male testes) or you are taking normal male amounts of testosterone (requires big bottles of testosterone; this isn’t the kind of thing you can get from a low dose of testogel as sometimes prescribed as part of menopausal HRT to perk your metabolism up).
Note: despite women being a slight majority on Earth, and despite an aging population in wealthy nations, meaning “a perimenopausal woman” is thus the statistically average person in, for example, the US, and despite the biological primacy of femaleness… Medicine still mostly looks to men as the “default person”, which in this case can result in seriously low-balled estimates of what antioxidants are needed.
In terms of supplements, therefore, she recommends:
- Antioxidants: key for brain health, especially in women. Rich sources include fruits (especially berries) and vegetables. Then there’s the world’s most-consumed antioxidant, which is…
- Coffee: Italian-style espresso has the highest antioxidant power. Adding a bit of fat (e.g. oat milk) helps release caffeine more slowly, reducing jitters. Taking it alongside l-theanine also “flattens the curve” and thus improves its overall benefits.
- Flavonoids: important for both men and women but particularly essential for women. Found in many fruits and vegetables.
- Chocolate: dark chocolate is an excellent source of antioxidants and flavonoids!
- Turmeric: a natural neuroprotectant with anti-inflammatory properties, best boosted by taking with black pepper, which improves absorption as well as having many great qualities of its own.
- B Vitamins: B6, B9, and B12 are essential for anti-aging and brain health; deficiency in B6 is rare, while deficiency in B9 (folate) and especially B12 is very common later in life.
- Vitamins C & E: important antioxidants, but caution is needed with fat-soluble vitamins to avoid toxicity.
- Omega-3s: important for brain health; can be consumed in the diet, but supplements may be necessary.
- Caution with zinc: zinc can support immunity and endocrine health (and thus, indirectly, brain health) but may be harmful in excess, particularly for brain health.
- Probiotics & Prebiotics: beneficial for gut health, and in Dr. Mosconi’s opinion, hard to get sufficient amounts from diet alone.
For more pointers, you might want to check out the MIND diet, that is to say, the “Mediterranean-DASH Intervention for Neurodegenerative Delay” upgrade to make the Mediterranean diet even brain-healthier than it is by default:
Four Ways To Upgrade The Mediterranean Diet
Want to know more from Dr. Mosconi?
Here’s her TED talk:
Click Here If The Embedded Video Doesn’t Load Automatically!
Enjoy!
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Loaded Mocha Chocolate Parfait
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Packed with nutrients, including a healthy dose of protein and fiber, these parfait pots can be a healthy dessert, snack, or even breakfast!
You will need (for 4 servings)
For the mocha cream:
- ½ cup almond milk
- ½ cup raw cashews
- ⅓ cup espresso
- 2 tbsp maple syrup
- 1 tsp vanilla extract
For the chocolate sauce:
- 4 tbsp coconut oil, melted
- 2 tbsp unsweetened cocoa powder
- 1 tbsp maple syrup
- 1 tsp vanilla extract
For the other layers:
- 1 banana, sliced
- 1 cup granola, no added sugar
Garnish (optional): 3 coffee beans per serving
Note about the maple syrup: since its viscosity is similar to the overall viscosity of the mocha cream and chocolate sauce, you can adjust this per your tastes, without affecting the composition of the dish much besides sweetness (and sugar content). If you don’t like sweetness, the maple syrup be reduced or even omitted entirely (your writer here is known for her enjoyment of very strong bitter flavors and rarely wants anything sweeter than a banana); if you prefer more sweetness than the recipe called for, that’s your choice too.
Method
(we suggest you read everything at least once before doing anything)
1) Blend all the mocha cream ingredients. If you have time, doing this in advance and keeping it in the fridge for a few hours (or even up to a week) will make the flavor richer. But if you don’t have time, that’s fine too.
2) Stir all the chocolate sauce ingredients together in a small bowl, and set it aside. This one should definitely not be refrigerated, or else the coconut oil will solidify and separate itself.
3) Gently swirl the the mocha cream and chocolate sauce together. You want a marble effect, not a full mixing. Omit this step if you want clearer layers.
4) Assemble in dessert glasses, alternating layers of banana, mocha chocolate marble mixture (or the two parts, if you didn’t swirl them together), and granola.
5) Add the coffee-bean garnish, if using, and serve!
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Enjoy Bitter Foods For Your Heart & Brain
- The Bitter Truth About Coffee (Or Is It?)
- Which Sugars Are Healthier, And Which Are Just The Same?
- Cashew Nuts vs Coconut – Which is Healthier?
Take care!
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Accidental falls in the older adult population: What academic research shows
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Accidental falls are among the leading causes of injury and death among adults 65 years and older worldwide. As the aging population grows, researchers expect to see an increase in the number of fall injuries and related health spending.
Falls aren’t unique to older adults. Nealy 684,000 people die from falls each year globally. Another 37.3 million people each year require medical attention after a fall, according to the World Health Organization. But adults 65 and older account for the greatest number of falls.
In the United States, more than 1 in 4 older adults fall each year, according to the National Institute on Aging. One in 10 report a fall injury. And the risk of falling increases with age.
In 2022, health care spending for nonfatal falls among older adults was $80 billion, according to a 2024 study published in the journal Injury Prevention.
Meanwhile, the fall death rate in this population increased by 41% between 2012 and 2021, according to the latest CDC data.
“Unfortunately, fall-related deaths are increasing and we’re not sure why that is,” says Dr. Jennifer L. Vincenzo, an associate professor at the University of Arkansas for Medical Sciences in the department of physical therapy and the Center for Implementation Research. “So, we’re trying to work more on prevention.”
Vincenzo advises journalists to write about how accidental falls can be prevented. Remind your audiences that accidental falls are not an inevitable consequence of aging, and that while we do decline in many areas with age, there are things we can do to minimize the risk of falls, she says. And expand your coverage beyond the national Falls Prevention Awareness Week, which is always during the first week of fall — Sept. 23 to 27 this year.
Below, we explore falls among older people from different angles, including injury costs, prevention strategies and various disparities. We have paired each angle with data and research studies to inform your reporting.
Falls in older adults
In 2020, 14 million older adults in the U.S. reported falling during the previous year. In 2021, more than 38,700 older adults died due to unintentional falls, according to the CDC.
A fall could be immediately fatal for an older adult, but many times it’s the complications from a fall that lead to death.
The majority of hip fractures in older adults are caused by falls, Vincenzo says, and “it could be that people aren’t able to recover [from the injury], losing function, maybe getting pneumonia because they’re not moving around, or getting pressure injuries,” she says.
In addition, “sometimes people restrict their movement and activities after a fall, which they think is protective, but leads to further functional declines and increases in fall risk,” she adds.
Factors that can cause a fall include:
- Poor eyesight, reflexes and hearing. “If you cannot hear as well, anytime you’re doing something in your environment and there’s a noise, it will be really hard for you to focus on hearing what that noise is and what it means and also moving at the same time,” Vincenzo says.
- Loss of strength, balance, and mobility with age, which can lessen one’s ability to prevent a fall when slipping or tripping.
- Fear of falling, which usually indicates decreased balance.
- Conditions such as diabetes, heart disease, or problems with nerves or feet that can affect balance.
- Conditions like incontinence that cause rushed movement to the bathroom.
- Cognitive impairment or certain types of dementia.
- Unsafe footwear such as backless shoes or high heels.
- Medications or medication interactions that can cause dizziness or confusion.
- Safety hazards in the home or outdoors, such as poor lighting, steps and slippery surfaces.
Related Research
Nonfatal and Fatal Falls Among Adults Aged ≥65 Years — United States, 2020–2021
Ramakrishna Kakara, Gwen Bergen, Elizabeth Burns and Mark Stevens. Morbidity and Mortality Weekly Report, September 2023.Summary: Researchers analyzed data from the 2020 Behavioral Risk Factor Surveillance System — a landline and mobile phone survey conducted each year in all 50 U.S. states and the District of Columbia — and data from the 2021 National Vital Statistics System to identify patterns of injury and death due to falls in the U.S. by sex and state for adults 65 years and older. Among the findings:
- The percentage of women who reported falling was 28.9%, compared with 26.1% of men.
- Death rates from falls were higher among white and American Indian or Alaska Native older adults than among older adults from other racial and ethnic groups.
- In 2020, the percentage of older adults who reported falling during the past year ranged from 19.9% in Illinois to 38.0% in Alaska. The national estimate for 18 states was 27.6%.
- In 2021, the unintentional fall-related death rate among older adults ranged from 30.7 per 100,000 older adults in Alabama to 176.5 in Wisconsin. The national estimate for 26 states was 78.
“Although common, falls among older adults are preventable,” the authors write. “Health care providers can talk with patients about their fall risk and how falls can be prevented.”
Trends in Nonfatal Falls and Fall-Related Injuries Among Adults Aged ≥65 Years — United States, 2012-2018
Briana Moreland, Ramakrishna Kakara and Ankita Henry. Morbidity and Mortality Weekly Report, July 2020.Summary: Researchers compared data from the 2018 Behavioral Risk Factor Surveillance System. Among the findings:
- The percentage of older adults reporting a fall increased from 2012 to 2016, then slightly decreased from 2016 to 2018.
- Even with this decrease in 2018, older adults reported 35.6 million falls. Among those falls, 8.4 million resulted in an injury that limited regular activities for at least one day or resulted in a medical visit.
“Despite no significant changes in the rate of fall-related injuries from 2012 to 2018, the number of fall-related injuries and health care costs can be expected to increase as the proportion of older adults in the United States grows,” the authors write.
Understanding Modifiable and Unmodifiable Older Adult Fall Risk Factors to Create Effective Prevention Strategies
Gwen Bergen, et al. American Journal of Lifestyle Medicine, October 2019.Summary: Researchers used data from the 2016 U.S. Behavioral Risk Factor Surveillance System to better understand the association between falls and fall injuries in older adults and factors such as health, state and demographic characteristics. Among the findings:
- Depression had the strongest association with falls and fall injuries. About 40% of older adults who reported depression also reported at least one fall; 15% reported at least one fall injury.
- Falls and depression have several factors in common, including cognitive impairment, slow walking speed, poor balance, slow reaction time, weakness, low energy and low levels of activity.
- Other factors associated with an increased risk of falling include diabetes, vision problems and arthritis.
“The multiple characteristics associated with falls suggest that a comprehensive approach to reducing fall risk, which includes screening and assessing older adult patients to determine their unique, modifiable risk factors and then prescribing tailored care plans that include evidence-based interventions, is needed,” the authors write.
Health care use and cost
In addition to being the leading cause of injury, falls are the leading cause of hospitalization in older adults. Each year, about 3 million older adults visit the emergency department due to falls. More than 1 million get hospitalized.
In 2021, falls led to more than 38,000 deaths in adults 65 and older, according to the CDC.
The annual financial medical toll of falls among adults 65 years and older is expected to be more than $101 billion by 2030, according to the National Council on Aging, an organization advocating for older Americans.
Related research
Healthcare Spending for Non-Fatal Falls Among Older Adults, USA
Yara K. Haddad, et al. Injury Prevention, July 2024.Summary: In 2015, health care spending related to falls among older adults was roughly $50 billion. This study aims to update the estimate, using the 2017, 2019 and 2021 Medicare Current Beneficiary Survey, the most comprehensive and complete survey available on the Medicare population. Among the findings:
- In 2020, health care spending for non-fatal falls among older adults was $80 billion.
- Medicare paid $53.3 billion of the $80 billion, followed by $23.2 billion paid by private insurance or patients and $3.5 billion by Medicaid.
“The burden of falls on healthcare systems and healthcare spending will continue to rise if the risk of falls among the aging population is not properly addressed,” the authors write. “Many older adult falls can be prevented by addressing modifiable fall risk factors, including health and functional characteristics.”
Cost of Emergency Department and Inpatient Visits for Fall Injuries in Older Adults Lisa Reider, et al. Injury, February 2024.
Summary: The researchers analyzed data from the 2016-2018 National Inpatient Sample and National Emergency Department Sample, which are large, publicly available patient databases in the U.S. that include all insurance payers such as Medicare and private insurance. Among the findings:
- During 2016-2018, more than 920,000 older adults were admitted to the hospital and 2.3 million visited the emergency department due to falls. The combined annual cost was $19.2 billion.
- More than half of hospital admissions were due to bone fractures. About 14% of these admissions were due to multiple fractures and cost $2.5 billion.
“The $20 billion in annual acute treatment costs attributed to fall injury indicate an urgent need to implement evidence-based fall prevention interventions and underscores the importance of newly launched [emergency department]-based fall prevention efforts and investments in geriatric emergency departments,” the authors write.
Hip Fracture-Related Emergency Department Visits, Hospitalizations and Deaths by Mechanism of Injury Among Adults Aged 65 and Older, United States 2019
Briana L. Moreland, Jaswinder K. Legha, Karen E. Thomas and Elizabeth R. Burns. Journal of Aging and Health, June 2024.Summary: The researchers calculated hip fracture-related U.S. emergency department visits, hospitalizations and deaths among older adults, using data from the Healthcare Cost and Utilization Project and the National Vital Statistics System. Among the findings:
- In 2019, there were 318,797 emergency department visits, 290,130 hospitalizations and 7,731 deaths related to hip fractures among older adults.
- Nearly 88% of emergency department visits and hospitalizations and 83% of deaths related to hip fractures were caused by falls.
- These rates were highest among those living in rural areas and among adults 85 and older. More specifically, among adults 85 and older, the rate of hip fracture-related emergency department visits was nine times higher than among adults between 65 and 74 years old.
“Falls are common among older adults, but many are preventable,” the authors write. “Primary care providers can prevent falls among their older patients by screening for fall risk annually or after a fall, assessing modifiable risk factors such as strength and balance issues, and offering evidence-based interventions to reduce older adults’ risk of falls.”
Fall prevention
Several factors, including exercising, managing medication, checking vision and making homes safer can help prevent falls among older adults.
“Exercise is one of the best interventions we know of to prevent falls,” Vincenzo says. But “walking in and of itself will not help people to prevent falls and may even increase their risk of falling if they are at high risk of falls.”
The National Council on Aging also has a list of evidence-based fall prevention programs, including activities and exercises that are shown to be effective.
The National Institute on Aging has a room-by-room guide on preventing falls at home. Some examples include installing grab bars near toilets and on the inside and outside of the tub and shower, sitting down while preparing food to prevent fatigue, and keeping electrical cords near walls and away from walking paths.
There are also national and international initiatives to help prevent falls.
Stopping Elderly Accidents, Deaths and Injuries, or STEADI, is an initiative by the CDC’s Injury Center to help health care providers who treat older adults. It helps providers screen patients for fall risk, assess their fall risk factors and reduce their risk by using strategies that research has shown to be effective. STEADI’s guidelines are in line with the American and British Geriatric Societies’ Clinical Practice Guidelines for fall prevention.
“We’re making some iterations right now to STEADI that will come out in the next couple of years based on the World Falls Guidelines, as well as based on clinical providers’ feedback on how to make [STEADI] more feasible,” Vincenzo says.
The World Falls Guidelines is an international initiative to prevent falls in older adults. The guidelines are the result of the work of 14 international experts who came together in 2019 to consider whether new guidelines on fall prevention were needed. The task force then brought together 96 experts from 39 countries across five continents to create the guidelines.
The CDC’s STEADI initiative has a screening questionnaire for consumers to check their risk of falls, as does the National Council on Aging.
On the policy side, U.S. Rep. Carol Miller, R-W.V., and Melanie Stansbury, D-N.M., introduced the Stopping Addiction and Falls for the Elderly (SAFE) Act in March 2024. The bill would allow occupational and physical therapists to assess fall risks in older adults as part of the Medicare Annual Wellness Benefit. The bill was sent to the House Subcommittee on Health in the same month.
Meanwhile, older adults’ attitudes toward falls and fall prevention are also pivotal. For many, coming to terms with being at risk of falls and making changes such as using a cane, installing railings at home or changing medications isn’t easy for all older adults, studies show.
“Fall is a four-letter F-word in a way to older adults,” says Vincenzo, who started her career as a physical therapist. “It makes them feel ‘old.’ So, it’s a challenge on multiple fronts: U.S. health care infrastructure, clinical and community resources and facilitating health behavior change.”
Related research
Environmental Interventions for Preventing Falls in Older People Living in the Community
Lindy Clemson, et al. Cochrane Database of Systematic Reviews, March 2023.Summary: This review includes 22 studies from 10 countries involving a total of 8,463 older adults who live in the community, which includes their own home, a retirement facility or an assisted living facility, but not a hospital or nursing home. Among the findings:
- Removing fall hazards at home reduced the number of falls by 38% among older adults at a high risk of having a fall, including those who have had a fall in the past year, have been hospitalized or need support with daily activities. Examples of fall hazards at home include a stairway without railings, a slippery pathway or poor lighting.
- It’s unclear whether checking prescriptions for eyeglasses, wearing special footwear or installing bed alarm systems reduces the rate of falls.
- It’s also not clear whether educating older adults about fall risks reduces their fall risk.
The Influence of Older Adults’ Beliefs and Attitudes on Adopting Fall Prevention Behaviors
Judy A. Stevens, David A. Sleet and Laurence Z. Rubenstein. American Journal of Lifestyle Medicine. January 2017.Summary: Persuading older adults to adopt interventions that reduce their fall risk is challenging. Their attitudes and beliefs about falls play a large role in how well they accept and adopt fall prevention strategies, the authors write. Among the common attitudes and beliefs:
- Many older adults believe that falls “just happen,” are a normal result of aging or are simply due to bad luck.
- Many don’t acknowledge or recognize their fall risk.
- For many, falls are considered to be relevant only for frail or very old people.
- Many believe that their home environment or daily activities can be a risk for fall, but do not consider biological factors such as dizziness or muscle weakness.
- For many, fall prevention simply consists of “being careful” or holding on to things when moving about the house.
“To reduce falls, health care practitioners have to help patients understand and acknowledge their fall risk while emphasizing the positive benefits of fall prevention,” the authors write. “They should offer patients individualized fall prevention interventions as well as provide ongoing support to help patients adopt and maintain fall prevention strategies and behaviors to reduce their fall risk. Implementing prevention programs such as CDC’s STEADI can help providers discuss the importance of falls and fall prevention with their older patients.”
Reframing Fall Prevention and Risk Management as a Chronic Condition Through the Lens of the Expanded Chronic Care Model: Will Integrating Clinical Care and Public Health Improve Outcomes?
Jennifer L. Vincenzo, Gwen Bergen, Colleen M. Casey and Elizabeth Eckstrom. The Gerontologist, June 2024.Summary: The authors recommend approaching fall prevention from the lens of chronic disease management programs because falls and fall risk are chronic issues for many older adults.
“Policymakers, health systems, and community partners can consider aligning fall risk management with the [Expanded Chronic Care Model], as has been done for diabetes,” the authors write. “This can help translate high-quality research on the effectiveness of fall prevention interventions into daily practice for older adults to alter the trajectory of older adult falls and fall-related injuries.”
Disparities
Older adults face several barriers to reducing their fall risk. Accessing health care services and paying for services such as physical therapy is not feasible for everyone. Some may lack transportation resources to go to and from medical appointments. Social isolation can increase the risk of death from falls. In addition, physicians may not have the time to fit in a fall risk screening while treating older patients for other health concerns.
Moreover, implementing fall risk screening, assessment and intervention in the current U.S. health care structure remains a challenge, Vincenzo says.
Related research
Mortality Due to Falls by County, Age Group, Race, and Ethnicity in the USA, 2000-19: A Systematic Analysis of Health Disparities
Parkes Kendrick, et al. The Lancet Public Health, August 2024.Summary: Researchers analyzed death registration data from the U.S. National Vital Statistics System and population data from the U.S. National Center for Health Statistics to estimate annual fall-related mortality. The data spanned from 2000 to 2019 and includes all age groups. Among the findings:
- The disparities between racial and ethnic populations varied widely by age group. Deaths from falls among younger adults were highest for the American Indian/Alaska Native population, while among older adults it was highest for the white population.
- For older adults, deaths from falls were particularly high in the white population within clusters of counties across states including Florida, Minnesota and Wisconsin.
- One factor that could contribute to higher death rates among white older adults is social isolation, the authors write. “Studies suggest that older Black and Latino adults are more likely to have close social support compared with older white adults, while AIAN and Asian individuals might be more likely to live in multigenerational households,” they write.
“Among older adults, current prevention techniques might need to be restructured to reduce frailty by implementing early prevention and emphasizing particularly successful interventions. Improving social isolation and evaluating the effectiveness of prevention programs among minoritized populations are also key,” the authors write.
Demographic Comparisons of Self-Reported Fall Risk Factors Among Older Adults Attending Outpatient Rehabilitation
Mariana Wingood, et al. Clinical Interventions in Aging, February 2024.Summary: Researchers analyzed the electronic health record data of 108,751 older adults attending outpatient rehabilitation within a large U.S. health care system across seven states, between 2018 and 2022. Among the findings:
- More than 44% of the older adults were at risk of falls; nearly 35% had a history of falls.
- The most common risk factors for falls were diminished strength, gait and balance.
- Compared to white older adults, Native American/Alaska Natives had the highest prevalence of fall history (43.8%) and Hispanics had the highest prevalence of falls with injury (56.1%).
“Findings indicate that rehabilitation providers should perform screenings for these impairments, including incontinence and medication among females, loss of feeling in the feet among males, and all Stay Independent Questionnaire-related fall risk factors among Native American/Alaska Natives, Hispanics, and Blacks,” the authors write.
Resources and articles
- National Institute on Aging
- National Council on Aging
- Gerontological Society of America
- Home Health Agencies Failed To Report Over Half of Falls With Major Injury and Hospitalization Among Their Medicare Patients, a 2023 report from the U.S Department of Health and Human Services’ Office of Inspector General.
- 6 tips for improving new coverage of older people, a tip sheet from The Journalist’s Resource.
- Crosswalk and pedestrian safety: What you need to know from recent research, from The Journalist’s Resource.
- Aging-in-place technology challenges and trends, a resource from the Association of Health Care Journalists.
- Successful aging at home: what reporters should know, a resource from the Association of Health Care Journalists.
This article first appeared on The Journalist’s Resource and is republished here under a Creative Commons license.
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The first pig kidney has been transplanted into a living person. But we’re still a long way from solving organ shortages
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In a world first, we heard last week that US surgeons had transplanted a kidney from a gene-edited pig into a living human. News reports said the procedure was a breakthrough in xenotransplantation – when an organ, cells or tissues are transplanted from one species to another. https://www.youtube.com/embed/cisOFfBPZk0?wmode=transparent&start=0 The world’s first transplant of a gene-edited pig kidney into a live human was announced last week.
Champions of xenotransplantation regard it as the solution to organ shortages across the world. In December 2023, 1,445 people in Australia were on the waiting list for donor kidneys. In the United States, more than 89,000 are waiting for kidneys.
One biotech CEO says gene-edited pigs promise “an unlimited supply of transplantable organs”.
Not, everyone, though, is convinced transplanting animal organs into humans is really the answer to organ shortages, or even if it’s right to use organs from other animals this way.
There are two critical barriers to the procedure’s success: organ rejection and the transmission of animal viruses to recipients.
But in the past decade, a new platform and technique known as CRISPR/Cas9 – often shortened to CRISPR – has promised to mitigate these issues.
What is CRISPR?
CRISPR gene editing takes advantage of a system already found in nature. CRISPR’s “genetic scissors” evolved in bacteria and other microbes to help them fend off viruses. Their cellular machinery allows them to integrate and ultimately destroy viral DNA by cutting it.
In 2012, two teams of scientists discovered how to harness this bacterial immune system. This is made up of repeating arrays of DNA and associated proteins, known as “Cas” (CRISPR-associated) proteins.
When they used a particular Cas protein (Cas9) with a “guide RNA” made up of a singular molecule, they found they could program the CRISPR/Cas9 complex to break and repair DNA at precise locations as they desired. The system could even “knock in” new genes at the repair site.
In 2020, the two scientists leading these teams were awarded a Nobel prize for their work.
In the case of the latest xenotransplantation, CRISPR technology was used to edit 69 genes in the donor pig to inactivate viral genes, “humanise” the pig with human genes, and knock out harmful pig genes. https://www.youtube.com/embed/UKbrwPL3wXE?wmode=transparent&start=0 How does CRISPR work?
A busy time for gene-edited xenotransplantation
While CRISPR editing has brought new hope to the possibility of xenotransplantation, even recent trials show great caution is still warranted.
In 2022 and 2023, two patients with terminal heart diseases, who were ineligible for traditional heart transplants, were granted regulatory permission to receive a gene-edited pig heart. These pig hearts had ten genome edits to make them more suitable for transplanting into humans. However, both patients died within several weeks of the procedures.
Earlier this month, we heard a team of surgeons in China transplanted a gene-edited pig liver into a clinically dead man (with family consent). The liver functioned well up until the ten-day limit of the trial.
How is this latest example different?
The gene-edited pig kidney was transplanted into a relatively young, living, legally competent and consenting adult.
The total number of gene edits edits made to the donor pig is very high. The researchers report making 69 edits to inactivate viral genes, “humanise” the pig with human genes, and to knockout harmful pig genes.
Clearly, the race to transform these organs into viable products for transplantation is ramping up.
From biotech dream to clinical reality
Only a few months ago, CRISPR gene editing made its debut in mainstream medicine.
In November, drug regulators in the United Kingdom and US approved the world’s first CRISPR-based genome-editing therapy for human use – a treatment for life-threatening forms of sickle-cell disease.
The treatment, known as Casgevy, uses CRISPR/Cas-9 to edit the patient’s own blood (bone-marrow) stem cells. By disrupting the unhealthy gene that gives red blood cells their “sickle” shape, the aim is to produce red blood cells with a healthy spherical shape.
Although the treatment uses the patient’s own cells, the same underlying principle applies to recent clinical xenotransplants: unsuitable cellular materials may be edited to make them therapeutically beneficial in the patient.
We’ll be talking more about gene-editing
Medicine and gene technology regulators are increasingly asked to approve new experimental trials using gene editing and CRISPR.
However, neither xenotransplantation nor the therapeutic applications of this technology lead to changes to the genome that can be inherited.
For this to occur, CRISPR edits would need to be applied to the cells at the earliest stages of their life, such as to early-stage embryonic cells in vitro (in the lab).
In Australia, intentionally creating heritable alterations to the human genome is a criminal offence carrying 15 years’ imprisonment.
No jurisdiction in the world has laws that expressly permits heritable human genome editing. However, some countries lack specific regulations about the procedure.
Is this the future?
Even without creating inheritable gene changes, however, xenotransplantation using CRISPR is in its infancy.
For all the promise of the headlines, there is not yet one example of a stable xenotransplantation in a living human lasting beyond seven months.
While authorisation for this recent US transplant has been granted under the so-called “compassionate use” exemption, conventional clinical trials of pig-human xenotransplantation have yet to commence.
But the prospect of such trials would likely require significant improvements in current outcomes to gain regulatory approval in the US or elsewhere.
By the same token, regulatory approval of any “off-the-shelf” xenotransplantation organs, including gene-edited kidneys, would seem some way off.
Christopher Rudge, Law lecturer, University of Sydney
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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