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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Compact Tai Chi – by Dr. Jesse Tsao
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A very frustrating thing when practicing tai chi, especially when learning, is the space typically required. We take a step this way and lunge that way and turn and now we’ve kicked a bookcase. Add a sword, and it’s goodnight to the light fixtures at the very least.
While a popular suggestion may be “do it outside”, we do not all have the luxury of living in a suitable climate. We also may prefer to practice in private, with no pressing urge to have an audience.
Tsao’s book, therefore, is very welcome. But how does he do it? The very notion of constriction is antithetical to tai chi, after all.
He takes the traditional forms, keeps the movements mostly the same, and simply changes the order of them. This way, the practitioner revolves around a central point. Occasionally, a movement will become a smaller circle than it was, but never in any way that would constrict movement.
Of course, an obvious question for any such book is “can one learn this from a book?” and the answer is complex, but we would lean towards yes, and insofar as one can learn any physical art from a book, this one does a fine job. It helps that it builds up progressively, too.
All in all, this book is a great choice for anyone who’s interested in taking up tai chi, and/but would like to do so without leaving their home.
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The Health Fix – by Dr. Ayan Panja
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The book is divided into three main sections:
- The foundations
- The aspirations
- The fixes
The foundations are an overview of the things you’re going to need to know, about biology, behaviors, and being human.
The aspirations are research-generated common hopes, desires, dreams and goals of patients who have come to Dr. Panja for help.
The fixes are exactly what you’d hope them to be. They’re strategies, tools, hacks, tips, tricks, to get you from where you are now to where you want to be, health-wise.
The book is well-structured, with deep-dives, summaries, and practical advice of how to make sure everything you’re doing works together as part of the big picture that you’re building for your health.
All in all, a fantastic catch-all book, whatever your health goals.
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Where Nutrition Meets Habits!
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Where Nutrition Meets Habits…
This is Claudia Canu, MSc., INESEM. She’s on a mission to change the way we eat:
Often, diet is a case of…
- Healthy
- Easy
- Cheap
(choose two)
She wants to make it all three, and tasty too. She has her work cut out for her, but she’s already blazed quite a trail personally:
❝Nine months before turning 40 years old, I set a challenge for myself: Arrive to the day I turn 40 as the best possible version of myself, physically, mentally and emotionally.❞
~ Claudia Canu
In Her Own Words: My Journey To My Healthy 40s
And it really was quite a journey:
- September: Changes That Destabilize
- October: Looking for Focus
- November: New Habits
- December: Analyzing The First Results
- January: Traveling & Perfectionism
- February: Habits & Goals
- March: Connection, Cravings, & Organization
- April: Physical & Emotional Changes After 7 Months
- May: Reflections & Considerations
- June: Challenge Is Over
For those of us who’d like the short-cut rather than a nine-month quasi-spiritual journey… based on both her experience, and her academic and professional background in nutrition, her main priorities that she settled on were:
- Making meals actually nutritionally balanced, which meant re-thinking what she thought a meal “should” be
- Making nutritionally balanced meals that didn’t require a lot of skill and/or resources
- That’s it!
But, easier said than done… Where to begin?
She shares an extensive list of recipes, from meals to snacks (I thought I was the only one who made coffee overnight oats!), but the most important thing from her is:
Claudia’s 10 Guiding Principles:
- Buy only fresh ingredients that you are going to cook yourself. If you decide to buy pre-cooked ones, make sure they do not have added ingredients, especially sugar (in all its forms).
- Use easy and simple cooking methods.
- Change ingredients every time you prepare your meals.
- Prepare large quantities for three or four days.
- Store the food separately in tightly closed Tupperware.
- Organize yourself to always have ready-to-eat food in the fridge.
- When hungry, mix the ingredients in the ideal amounts to cover the needs of your body.
- Chew well and take the time to taste your food.
- Eat foods that you like and enjoy.
- Do not overeat but don’t undereat either.
We have only two quibbles with this fine list, which are:
About Ingredients!
Depending on what’s available around you, frozen and/or tinned “one-ingredient” foods can be as nutritional as (if not more nutritional than) fresh ones. By “one-ingredient” foods here we mean that if you buy a frozen pack of chopped onions, the ingredients list will be: “chopped onions”. If you buy a tin of tomatoes, the ingredients will say “Tomatoes” or at most “Tomatoes, Tomato Juice”, for example.
She does list the ingredients she keeps in; the idea that with these in the kitchen, you’ll never be in the position of “oh, we don’t have much in, I guess it’s a pizza delivery night” or “well there are some chicken nuggets at the back of the freezer”.
Check Out And Plan: 10 Types Of Ingredients You Should Always Keep In Your Kitchen
Here Today, Gone Tomorrow?
Preparing large quantities for three or four days can result in food for one or two days if the food is unduly delicious
But! Claudia has a remedy for that:
Read: How To Eliminate Food Cravings And What To Do When They Win
Anyway, there’s a wealth of resources in the above-linked pages, so do check them out!
Perhaps the biggest take-away is to ask yourself:
“What are my guiding principles when it comes to food?”
If you don’t have a ready answer, maybe it’s time to tackle that—whether Claudia’s way or your own!
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How To Avoid Age-Related Macular Degeneration
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Avoiding Age-Related Macular Degeneration
Eye problems can strike at any age, but as we get older, it becomes a lot more likely. In particular, age-related macular degeneration is, as the name suggests, an age-bound disease.
Is there no escaping it, then?
The risk factors for age-related macular degeneration are as follows:
- Being over the age of 55 (can’t do much about this one)
- Being over the age of 65 (risk climbs sharply now)
- Having a genetic predisposition (can’t do much about this one)
- Having high cholesterol (this one we can tackle)
- Having cardiovascular disease (this one we can tackle)
- Smoking (so, just don’t)
Genes predispose; they don’t predetermine. Or to put it another way: genes load the gun, but lifestyle pulls the trigger.
Preventative interventions against age-related macular degeneration
Prevention is better than a cure in general, and this especially goes for things like age-related macular degeneration, because the most common form of it has no known cure.
So first, look after your heart (because your heart feeds your eyes).
See also: The Mediterranean Diet
Next, eat to feed your eyes specifically. There’s a lot of research to show that lutein helps avoid age-related diseases in the eyes and the rest of the brain, too:
See also: Brain Food? The Eyes Have It
Do supplements help?
They can! There was a multiple-part landmark study by the National Eye Institute, a formula was developed that reduced the 5-year risk of intermediate disease progressing to late disease by 25–30%. It also reduced the risk of vision loss by 19%.
You can read about both parts of the study here:
Age-Related Eye Disease Studies (AREDS/AREDS2): major findings
As you can see, an improvement was made between the initial study and the second one, by replacing beta-carotene with lutein and zeaxanthin.
The AREDS2 formula contains:
- 500 mg vitamin C
- 180 mg vitamin E
- 80 mg zinc
- 10 mg lutein
- 2 mg copper
You can learn more about these supplements, and where to get them, here on the NEI’s corner of the official NIH website:
AREDS 2 Supplements for Age-Related Macular Degeneration
Take care of yourself!
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Hashimoto’s Food Pharmacology – by Dr. Izabella Wentz
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The author is a doctor of pharmacology, and we’ve featured her before as an expert on Hashimoto’s, which she has. She has recommendations about specific blood tests and medications, but in this book she’s mainly focussing on what she calls the “three Rs” of managing hypothyroidism:
- Remove the causes and triggers of your hypothyroidism, so far as possible
- Repair the damage caused to your body, especially your gut
- Replace the thyroid hormones and related things in which your body has become deficient
To this end, she provides recipes that avoid processed meats and unfermented dairy, and include plenty of nutrient-dense whole foods specifically tailored to meet the nutritional needs of someone with hypothyroidism.
A nice bonus of the presentation of recipes (of which there are 125, if we include things like “mint tea” and “tomato sauce” and “hot lemon water” as recipes) is explaining the thyroid-supporting elements of each recipe.
A downside for some will be that if you are vegetarian/vegan, this book is very much not, and since many recipes are paleo-style meat dishes, substitutions will change the nutritional profile completely.
Bottom line: if you have hypothyroidism (especially if: Hashimoto’s) and like meat, this will be a great recipe book for you.
Click here to check out Hashimoto’s Food Pharmacology, and get cooking!
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Cordyceps: Friend Or Foe?
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Cordyceps: friend or foe?
Cordyceps is a famously frightening fungus. It’s the one responsible for “zombie ants” and other zombie creatures, and it’s the basis for the existential threat to humanity in the TV show The Last of Us.
It’s a parasitic fungus that controls the central and peripheral nervous systems of its host, slowly replacing the host’s body, as well as growing distinctive spines that erupt out of the host’s body. Taking over motor functions, it compels the host to do two main things, which are to eat more food, and climb to a position that will be good to release spores from.
Fortunately, none of that matters to humans. Cordyceps does not (unlike in the TV show) affect humans that way.
What does Cordyceps do in humans?
Cordyceps (in various strains) is enjoyed as a health supplement, based on a long history of use in Traditional Chinese Medicine, and nowadays it’s coming under a scientific spotlight too.
The main health claims for it are:
- Against inflammation
- Against aging
- Against cancer
- For blood sugar management
- For heart health
- For exercise performance
Sounds great! What does the science say?
There’s a lot more science for the first three (which are all closely related to each other, and often overlapping in mechanism and effect).
So let’s take a look:
Against inflammation
The science looks promising for this, but studies so far have either been in vitro (cell cultures in petri dishes), or else murine in vivo (mouse studies), for example:
- Anti-inflammatory effects of Cordyceps mycelium in murine macrophages
- Cordyceps sinensis as an immunomodulatory agent
- Immunomodulatory functions of extracts from Cordyceps cicadae
- Cordyceps pruinosa inhibits in vitro and in vivo inflammatory mediators
In summary: we can see that it has anti-inflammatory properties for mice and in the lab; we’d love to see the results of studies done on humans, though. Also, while it has anti-inflammatory properties, it performed less well than commonly-prescribed anti-inflammatory drugs, for example:
❝C. militaris can modulate airway inflammation in asthma, but it is less effective than prednisolone or montelukast.❞
Against aging
Because examining the anti-aging effects of a substance requires measuring lifespans and repeating the experiment, anti-aging studies do not tend to be done on humans, because they would take lifetimes to perform. To this end, it’s inconvenient, but not a criticism of Cordyceps, that studies have been either mouse studies (short lifespan, mammals like us) or fruit fly studies (very short lifespan, genetically surprisingly similar to us).
The studies have had positive results, with typical lifespan extensions of 15–20%:
- The lifespan-extending effect of Cordyceps sinensis in normal mice
- Cordyceps sinensis oral liquid prolongs the lifespan of the fruit fly, Drosophila melanogaster
- Anti-aging activity of polysaccharides from Cordyceps militaris
- Anti-aging effect of Cordyceps sinensis extract
Against cancer
Once again, the studies here have been in vitro, or murine in vivo. They do look good though:
In vitro (human cell cultures in a lab):
In vivo (mouse studies):
Summary of these is: Cordyceps quite reliably inhibits tumor growth in vitro (human cell cultures) and in vivo (mouse studies). However, trials in human cancer patients are so far conspicuous by their absence.
For blood sugar management
Cordyceps appears to mimic the action of insulin, without triggering insulin sensitivity. For example:
The anti-hyperglycemic activity of the fruiting body of Cordyceps in diabetic rats
There were some other rat/mouse studies with similar results. No studies in humans yet.
For heart health
Cordyceps contains adenosine. You may remember that caffeine owes part of its stimulant effect to blocking adenosine, the hormone that makes us feel sleepy. So in this way, Cordyceps partially does the opposite of what caffeine does, and may be useful against arrhythmia:
Cardiovascular protection of Cordyceps sinensis act partially via adenosine receptors
For exercise performance
A small (30 elderly participants) study found that Cordyceps supplementation improved VO2 max by 7% over the course of six weeks:
However, another small study (22 young athletes) failed to reproduce those results:
Cordyceps Sinensis supplementation does not improve endurance exercise performance
In summary…
Cordyceps almost certainly has anti-inflammation, anti-aging, and anti-cancer benefits.
Cordyceps may have other benefits too, but the evidence is thinner on the ground for those, so far.
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