A Guide to the Good Life – by Dr. William Irvine
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“Living well” is a surprisingly underrated part of wellness. We spend much of our lives in turmoil. Some of us, windswept and battered by the storms of life; others, up in quietly crumbling towers, seemingly “great” but definitely not feeling it. Diet and exercise etc will only get us so far. What else, then, can we do?
For Dr. Irvine, the key lies in two main things:
- Deciding how we intend to live our life (and doing so)
- Remaining tranquil in the face of external stressors
In Japanese terms, these things can be seen in ikigai and zen, respectively. This book puts them in Western terms, specifically, that of Stoic philosophy. But the goals and methods are very similar.
Far from being an abstract tome of wishy-washy philosophy, this book offers down-to-earth practical exercises and easily applicable advice. There was even an exercise that was new to this reviewer who has been reading such things for decades.
The writing style is also, true to Stoic principles, unpretentious and simple. This is an easy book to read, while being nonethless very engaging from start to finish—and thereafter!
Bottom line: so far as we know, we only get one shot at life, so we might as well make it a good one. Applying the ideas found in this book can help any reader to live better, and take more joy in it along the way.
Click here to check out a Guide to the Good Life, and live your best!
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Antioxidant Matcha Snack Bars
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The antioxidants in this come not just from the matcha, but also the cacao nibs and chocolate, as well as lots of nutrients from the hazelnuts and cashews. If you’re allergic to nuts, we’ll give you substitutions that will change the nutritional profile (and flavor), but still work perfectly well and be healthy too.
You will need
For the base:
- ⅔ cup roasted hazelnuts (if allergic, substitute dessicated coconut)
- ⅔ cup chopped dates
For the main part:
- 1 cup raw cashews (if allergic, substitute raw coconut, chopped)
- ½ cup almond milk (or your preferred milk of any kind)
- ½ cup cacao nibs
- 2 tbsp lime juice
- 1 tbsp matcha powder
- 1 tbsp maple syrup (omit if you don’t care for sweetness)
For the topping (optional):
- 2oz dark chocolate, melted (and if you like, tempered—but this isn’t necessary; it’ll just make it glossier if you do)
- Spare cacao nibs, chopped nuts, or anything else you might want on there
Method
(we suggest you read everything at least once before doing anything)
1) Blend the base ingredients in a food processor until it has a coarse sticky texture, but isn’t yet a paste or dough.
2) Line a cake pan with baking paper and spread the base mix on the base; press it down to compact it a little and ensure it is flat. If there’s room, put this in the freezer while you do the next bit. If not, the fridge will suffice.
3) Blend the main part ingredients apart from the cacao nibs, until smooth. Stir in the cacao nibs with a spoon.
4) Spread the main part evenly over the base, and allow everything you’ve built (in this recipe, not in life in general) to chill in the fridge for at least 4 hours.
5) Cut it into blocks of the size and shape you want to eat them, and (if adding the optional topping) separate the blocks slightly from each other, before drizzling with the chocolate topping. Put it back in the fridge to cool this too; an hour should be sufficient.
6) Serve!
Enjoy!
Want to learn more?
For those interested in some of the science of what we have going on today:
- Which Tea Is Best, By Science?
- Which Plant Milk?
- Why You Should Diversify Your Nuts!
- Cashew Nuts vs Coconut – Which is Healthier?
- Cacao vs Carob – Which is Healthier?
Take care!
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State Regulators Know Health Insurance Directories Are Full of Wrong Information. They’re Doing Little to Fix It.
10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.
ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox.
Series: America’s Mental Barrier:How Insurers Interfere With Mental Health Care
- Extensive Errors: Many states have sought to make insurers clean up their health plans’ provider directories over the past decade. But the errors are still widespread.
- Paltry Penalties: Most state insurance agencies haven’t issued a fine for provider directory errors since 2019. When companies have been penalized, the fines have been small and sporadic.
- Ghostbusters: Experts said that stricter regulations and stronger fines are needed to protect insurance customers from these errors, which are at the heart of so-called ghost networks.
These highlights were written by the reporters and editors who worked on this story.
To uncover the truth about a pernicious insurance industry practice, staffers with the New York state attorney general’s office decided to tell a series of lies.
So, over the course of 2022 and 2023, they dialed hundreds of mental health providers in the directories of more than a dozen insurance plans. Some staffers pretended to call on behalf of a depressed relative. Others posed as parents asking about their struggling teenager.
They wanted to know two key things about the supposedly in-network providers: Do you accept insurance? And are you accepting new patients?
The more the staffers called, the more they realized that the providers listed either no longer accepted insurance or had stopped seeing new patients. That is, if they heard back from the providers at all.
In a report published last December, the office described rampant evidence of these “ghost networks,” where health plans list providers who supposedly accept that insurance but who are not actually available to patients. The report found that 86% of the listed mental health providers who staffers had called were “unreachable, not in-network, or not accepting new patients.” Even though insurers are required to publish accurate directories, New York Attorney General Letitia James’ office didn’t find evidence that the state’s own insurance regulators had fined any insurers for their errors.
Shortly after taking office in 2021, Gov. Kathy Hochul vowed to combat provider directory misinformation, so there seemed to be a clear path to confronting ghost networks.
Yet nearly a year after the publication of James’ report, nothing has changed. Regulators can’t point to a single penalty levied for ghost networks. And while a spokesperson for New York state’s Department of Financial Services has said that “nation-leading consumer protections” are in the works, provider directories in the state are still rife with errors.
A similar pattern of errors and lax enforcement is happening in other states as well.
In Arizona, regulators called hundreds of mental health providers listed in the networks of the state’s most popular individual health plans. They couldn’t schedule visits with nearly 2 out of every 5 providers they called. None of those companies have been fined for their errors.
In Massachusetts, the state attorney general investigated alleged efforts by insurers to restrict their customers’ mental health benefits. The insurers agreed to audit their mental health provider listings but were largely allowed to police themselves. Insurance regulators have not fined the companies for their errors.
In California, regulators received hundreds of complaints about provider listings after one of the nation’s first ghost network regulations took effect in 2016. But under the new law, they have actually scaled back on fining insurers. Since 2016, just one plan was fined — a $7,500 penalty — for posting inaccurate listings for mental health providers.
ProPublica reached out to every state insurance commission to see what they have done to curb rampant directory errors. As part of the country’s complex patchwork of regulations, these agencies oversee plans that employers purchase from an insurer and that individuals buy on exchanges. (Federal agencies typically oversee plans that employers self-fund or that are funded by Medicare.)
Spokespeople for the state agencies told ProPublica that their “many actions” resulted in “significant accountability.” But ProPublica found that the actual actions taken so far do not match the regulators’ rhetoric.
“One of the primary reasons insurance commissions exist is to hold companies accountable for what they are advertising in their contracts,” said Dr. Robert Trestman, a leading American Psychiatric Association expert who has testified about ghost networks to the U.S. Senate Committee on Finance. “They’re not doing their job. If they were, we would not have an ongoing problem.”
Most states haven’t fined a single company for publishing directory errors since 2019. When they do, the penalties have been small and sporadic. In an average year, fewer than a dozen fines are issued by insurance regulators for directory errors, according to information obtained by ProPublica from almost every one of those agencies. All those fines together represent a fraction of 1% of the billions of dollars in profits made by the industry’s largest companies. Health insurance experts told ProPublica that the companies treat the fines as a “cost of doing business.”
Insurers acknowledge that errors happen. Providers move. They retire. Their open appointments get booked by other patients. The industry’s top trade group, AHIP, has told lawmakers that companies contact providers to verify that their listings are accurate. The trade group also has stated that errors could be corrected faster if the providers did a better job updating their listings.
But providers have told us that’s bogus. Even when they formally drop out of a network, they’re not always removed from the insurer’s lists.
The harms from ghost networks are real. ProPublica reported on how Ravi Coutinho, a 36-year-old entrepreneur from Arizona, had struggled for months to access the mental health and addiction treatment that was covered by his health plan. After nearly two dozen calls to the insurer and multiple hospitalizations, he couldn’t find a therapist. Last spring, he died, likely due to complications from excessive drinking.
Health insurance experts said that, unless agencies can crack down and issue bigger fines, insurers will keep selling error-ridden plans.
“You can have all the strong laws on the books,” said David Lloyd, chief policy officer with the mental health advocacy group Inseparable. “But if they’re not being enforced, then it’s kind of all for nothing.”
The problem with ghost networks isn’t one of awareness. States, federal agencies, researchers and advocates have documented them time and again for years. But regulators have resisted penalizing insurers for not fixing them.
Two years ago, the Arizona Department of Insurance and Financial Institutions began to probe the directories used by five large insurers for plans that they sold on the individual market. Regulators wanted to find out if they could schedule an appointment with mental health providers listed as accepting new patients, so their staff called 580 providers in those companies’ directories.
Thirty-seven percent of the calls did not lead to an appointment getting scheduled.
Even though this secret-shopper survey found errors at a lower rate than what had been found in New York, health insurance experts who reviewed Arizona’s published findings said that the results were still concerning.
Ghost network regulations are intended to keep provider listings as close to error-free as possible. While the experts don’t expect any insurer to have a perfect directory, they said that double-digit error rates can be harmful to customers.
Arizona’s regulators seemed to agree. In a January 2023 report, they wrote that a patient could be clinging to the “last few threads of hope, which could erode if they receive no response from a provider (or cannot easily make an appointment).”
Secret-shopper surveys are considered one of the best ways to unmask errors. But states have limited funding, which restricts how often they can conduct that sort of investigation. Michigan, for its part, mostly searches for inaccuracies as part of an annual review of a health plan. Nevada investigates errors primarily if someone files a complaint. Christine Khaikin, a senior health policy attorney for the nonprofit advocacy group Legal Action Center, said fewer surveys means higher odds that errors go undetected.
Some regulators, upon learning that insurers may not be following the law, still take a hands-off approach with their enforcement. Oregon’s Department of Consumer and Business Services, for instance, conducts spot checks of provider networks to see if those listings are accurate. If they find errors, insurers are asked to fix the problem. The department hasn’t issued a fine for directory errors since 2019. A spokesperson said the agency doesn’t keep track of how frequently it finds network directory errors.
Dave Jones, a former insurance commissioner in California, said some commissioners fear that stricter enforcement could drive companies out of their states, leaving their constituents with fewer plans to choose from.
Even so, staffers at the Arizona Department of Insurance and Financial Institutions wrote in the report that there “needs to be accountability from insurers” for the errors in their directories. That never happened, and the agency concealed the identities of the companies in the report. A department spokesperson declined to provide the insurers’ names to ProPublica and did not answer questions about the report.
Since January 2023, Arizonans have submitted dozens of complaints to the department that were related to provider networks. The spokesperson would not say how many were found to be substantiated, but the department was able to get insurers to address some of the problems, documents obtained through an open records request show.
According to the department’s online database of enforcement actions, not a single one of those companies has been fined.
Sometimes, when state insurance regulators fail to act, attorneys general or federal regulators intervene in their stead. But even then, the extra enforcers haven’t addressed the underlying problem.
For years, the Massachusetts Division of Insurance didn’t fine any company for ghost networks, so the state attorney general’s office began to investigate whether insurers had deceived consumers by publishing inaccurate directories. Among the errors identified: One plan had providers listed as accepting new patients but no actual appointments were available for months; another listed a single provider more than 10 times at different offices.
In February 2020, Maura Healey, who was then the Massachusetts attorney general, announced settlements with some of the state’s largest health plans. No insurer admitted wrongdoing. The companies, which together collect billions in premiums each year, paid a total of $910,000. They promised to remove providers who left their networks within 30 days of learning about that decision. Healey declared that the settlements would lead to “unprecedented changes to help ensure patients don’t have to struggle to find behavioral health services.”
But experts who reviewed the settlements for ProPublica identified a critical shortcoming. While the insurers had promised to audit directories multiple times a year, the companies did not have to report those findings to the attorney general’s office. Spokespeople for Healey and the attorney general’s office declined to answer questions about the experts’ assessments of the settlements.
After the settlements were finalized, Healey became the governor of Massachusetts and has been responsible for overseeing the state’s insurance division since she took office in January 2023. Her administration’s regulators haven’t brought any fines over ghost networks.
Healey’s spokesperson declined to answer questions and referred ProPublica to responses from the state’s insurance division. A division spokesperson said the state has taken steps to strengthen its provider directory regulations and streamline how information about in-network providers gets collected. Starting next year, the spokesperson said that the division “will consider penalties” against any insurer whose “provider directory is found to be materially noncompliant.”
States that don’t have ghost network laws have seen federal regulators step in to monitor directory errors.
In late 2020, Congress passed the No Surprises Act, which aimed to cut down on the prevalence of surprise medical bills from providers outside of a patient’s insurance network. Since then, the Centers for Medicare and Medicaid Services, which oversees the two large public health insurance programs, has reached out to every state to see which ones could handle enforcement of the federal ghost network regulations.
At least 15 states responded that they lacked the ability to enforce the new regulation. So CMS is now tasked with watching out for errors in directories used by millions of insurance customers in those states.
Julie Brookhart, a spokesperson for CMS, told ProPublica that the agency takes enforcement of the directory error regulations “very seriously.” She said CMS has received a “small number” of provider directory complaints, which the agency is in the process of investigating. If it finds a violation, Brookhart said regulators “will take appropriate enforcement action.”
But since the requirement went into effect in January 2022, CMS hasn’t fined any insurer for errors. Brookhart said that CMS intends to develop further guidelines with other federal agencies. Until that happens, Brookhart said that insurers are expected to make “good-faith” attempts to follow the federal provider directory rules.
Last year, five California lawmakers proposed a bill that sought to get rid of ghost networks around the state. If it passed, AB 236 would limit the number of errors allowed in a directory — creating a cap of 5% of all providers listed — and raise penalties for violations. California would become home to one of the nation’s toughest ghost network regulations.
The state had already passed one of America’s first such regulations in 2015, requiring insurers to post directories online and correct inaccuracies on a weekly basis.
Since the law went into effect in 2016, insurance customers have filed hundreds of complaints with the California Department of Managed Health Care, which oversees health plans for nearly 30 million enrollees statewide.
Lawyers also have uncovered extensive evidence of directory errors. When San Diego’s city attorney, Mara Elliott, sued several insurers over publishing inaccurate directories in 2021, she based the claims on directory error data collected by the companies themselves. Citing that data, the lawsuits noted that error rates for the insurers’ psychiatrist listings were between 26% and 83% in 2018 and 2019. The insurers denied the accusations and convinced a judge to dismiss the suits on technical grounds. A panel of California appeals court judges recently reversed those decisions; the cases are pending.
The companies have continued to send that data to the DMHC each year — but the state has not used it to examine ghost networks. California is among the states that typically waits for a complaint to be filed before it investigates errors.
“The industry doesn’t take the regulatory penalties seriously because they’re so low,” Elliott told ProPublica. “It’s probably worth it to take the risk and see if they get caught.”
California’s limited enforcement has resulted in limited fines. Over the past eight years, the DMHC has issued just $82,500 in fines for directory errors involving providers of any kind. That’s less than one-fifth of the fines issued in the two years before the regulation went into effect.
A spokesperson for the DMHC said its regulators continue “to hold health plans accountable” for violating ghost network regulations. Since 2018, the DMHC has discovered scores of problems with provider directories and pushed health plans to correct the errors. The spokesperson said that the department’s oversight has also helped some customers get reimbursed for out-of-network costs incurred due to directory errors.
“A lower fine total does not equate to a scaling back on enforcement,” the spokesperson said.
Dr. Joaquin Arambula, one of the state Assembly members who co-sponsored AB 236, disagreed. He told ProPublica that California’s current ghost network regulation is “not effectively being enforced.” After clearing the state Assembly this past winter, his bill, along with several others that address mental health issues, was suddenly tabled this summer. The roadblock came from a surprising source: the administration of the state’s Democratic governor.
Officials with the DMHC, whose director was appointed by Gov. Gavin Newsom, estimated that more than $15 million in extra funding would be needed to carry out the bill’s requirements over the next five years. State lawmakers accused officials of inflating the costs. The DMHC’s spokesperson said that the estimate was accurate and based on the department’s “real experience” overseeing health plans.
Arambula and his co-sponsors hope that their colleagues will reconsider the measure during next year’s session. Sitting before state lawmakers in Sacramento this year, a therapist named Sarah Soroken told the story of a patient who had called 50 mental health providers in her insurer’s directory. None of them could see her. Only after the patient attempted suicide did she get the care she’d sought.
“We would be negligent,” Soroken told the lawmakers, “if we didn’t do everything in our power to ensure patients get the health care they need.”
Paige Pfleger of WPLN/Nashville Public Radio contributed reporting.
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Terminal lucidity: why do loved ones with dementia sometimes ‘come back’ before death?
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Dementia is often described as “the long goodbye”. Although the person is still alive, dementia slowly and irreversibly chips away at their memories and the qualities that make someone “them”.
Dementia eventually takes away the person’s ability to communicate, eat and drink on their own, understand where they are, and recognise family members.
Since as early as the 19th century, stories from loved ones, caregivers and health-care workers have described some people with dementia suddenly becoming lucid. They have described the person engaging in meaningful conversation, sharing memories that were assumed to have been lost, making jokes, and even requesting meals.
It is estimated 43% of people who experience this brief lucidity die within 24 hours, and 84% within a week.
Why does this happen?
Terminal lucidity or paradoxical lucidity?
In 2009, researchers Michael Nahm and Bruce Greyson coined the term “terminal lucidity”, since these lucid episodes often occurred shortly before death.
But not all lucid episodes indicate death is imminent. One study found many people with advanced dementia will show brief glimmers of their old selves more than six months before death.
Lucidity has also been reported in other conditions that affect the brain or thinking skills, such as meningitis, schizophrenia, and in people with brain tumours or who have sustained a brain injury.
Moments of lucidity that do not necessarily indicate death are sometimes called paradoxical lucidity. It is considered paradoxical as it defies the expected course of neurodegenerative diseases such as dementia.
But it’s important to note these episodes of lucidity are temporary and sadly do not represent a reversal of neurodegenerative disease.
Why does terminal lucidity happen?
Scientists have struggled to explain why terminal lucidity happens. Some episodes of lucidity have been reported to occur in the presence of loved ones. Others have reported that music can sometimes improve lucidity. But many episodes of lucidity do not have a distinct trigger.
A research team from New York University speculated that changes in brain activity before death may cause terminal lucidity. But this doesn’t fully explain why people suddenly recover abilities that were assumed to be lost.
Paradoxical and terminal lucidity are also very difficult to study. Not everyone with advanced dementia will experience episodes of lucidity before death. Lucid episodes are also unpredictable and typically occur without a particular trigger.
And as terminal lucidity can be a joyous time for those who witness the episode, it would be unethical for scientists to use that time to conduct their research. At the time of death, it’s also difficult for scientists to interview caregivers about any lucid moments that may have occurred.
Explanations for terminal lucidity extend beyond science. These moments of mental clarity may be a way for the dying person to say final goodbyes, gain closure before death, and reconnect with family and friends. Some believe episodes of terminal lucidity are representative of the person connecting with an afterlife.
Why is it important to know about terminal lucidity?
People can have a variety of reactions to seeing terminal lucidity in a person with advanced dementia. While some will experience it as being peaceful and bittersweet, others may find it deeply confusing and upsetting. There may also be an urge to modify care plans and request lifesaving measures for the dying person.
Being aware of terminal lucidity can help loved ones understand it is part of the dying process, acknowledge the person with dementia will not recover, and allow them to make the most of the time they have with the lucid person.
For those who witness it, terminal lucidity can be a final, precious opportunity to reconnect with the person that existed before dementia took hold and the “long goodbye” began.
Yen Ying Lim, Associate Professor, Turner Institute for Brain and Mental Health, Monash University and Diny Thomson, PhD (Clinical Neuropsychology) Candidate and Provisional Psychologist, Monash University
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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The Unchaste Berry
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A Chasteberry, By Any Other Name…
Vitex agnus castus, literally “chaste lamb vine”, hence its modern common English name “chasteberry”, gets its name from its traditional use as an anaphrodisiac for monks (indeed, it’s also called “monk’s pepper”), which traditional use is not in the slightest backed up by modern science.
Nor is its second most popular traditional use (the increase in production of milk) well-supported by science either:
❝Its traditional use as a galactagogue (i.e., a substance that enhances breast milk production) is not well supported in the literature and should be discouraged. There are no clinical data to support the use of chasteberry for reducing sexual desire, which has been a traditional application❞
Source: American Family Physician | Chasteberry
Both of those supposed effects of the chasteberry go against the fact that it has a prolactin-lowering effect:
❝It appears that [chasteberry] may represent a potentially useful and safe phytotherapic option for the management of selected patients with mild hyperprolactinaemia who wish to be treated with phytotherapy.❞
Source: Vitex agnus castus effects on hyperprolactinaemia
Prolactin, by the way, is the hormone that (as the name suggests) stimulates milk production, and also reduces sexual desire (and motivation in general)
- In most women, it spikes during breastfeeding
- In most men, it spikes after orgasm
- In both, it can promote anhedonic depression, as it antagonizes dopamine
In other words, the actual pharmacological effect of chasteberry, when it comes to prolactin, is the opposite of what we would expect from its traditional use.
Ok, so it’s an unchaste berry after all…. Does it have any other claims to examine?
Yes! It genuinely does help relieve PMS, for those who have it, and reduce menopause symptoms, for those who have those, for example:
❝Dry extract of agnus castus fruit is an effective and well tolerated treatment for the relief of symptoms of the premenstrual syndrome.❞
❝That [Vitex agnus castus] trial indicated strong symptomatic relief of common menopausal symptoms❞
Source: Vitex agnus castus essential oil and menopausal balance: a research update
Is it safe?
Generally speaking, yes. It has been described as “well-tolerated” in the studies we mentioned above, which means it has a good safety profile.
However, it may interfere with some antipsychotic medications, certain kinds of hormone replacement therapy, or hormonal birth control.
As ever, speak with your doctor/pharmacist if unsure!
Where can I get some?
We don’t sell it, but here for your convenience is an example product on Amazon
Enjoy!
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Debunking the vitamin D fad
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Throughout the pandemic, many unproven miracle COVID-19 “cures” emerged, and vitamin D claims have been one of the most persistent. This is not new for the vitamin. It’s been touted in recent decades as a way to “boost” the immune system, improve overall health, prevent a host of diseases, and allegedly even substitute for vaccines.
But as with many internet-popular health “remedies,” the reality is far less flashy and far more nuanced.
What is vitamin D, and why is it important?
Vitamin D is a nutrient that helps the body absorb calcium, which is essential for bone health. In the sunlight, your skin naturally produces vitamin D that is then stored in fat cells until it is used.
The skin pigment melanin absorbs the UV rays necessary for vitamin D production, meaning that more highly pigmented or darker skin produces less vitamin D than lighter skin with the same amount of sun exposure. Thus, people with darker skin are at higher risk of vitamin D deficiency.
Most of our vitamin D comes from the sun. An additional 10 percent to 20 percent of our vitamin D comes from foods like fatty fish (such as salmon), eggs, and mushrooms. Vitamin D supplements are another source of the nutrient for people who are unable to get enough from sun exposure and diet.
Vitamin D deficiency is real, but there’s no epidemic
Some people who promote vitamin D supplements claim that vitamin D deficiency is an epidemic causing widespread health issues. There is little evidence to support this claim. A 2022 analysis of 2001-2018 data found that 2.6 percent of people in the U.S. had severe vitamin D deficiency.
Severe vitamin D deficiency can cause serious health issues, such as muscle weakness, bone loss in adults, and rickets (weak bones) in children. Some people are at higher risk for the deficiency, including individuals with certain disorders that prevent the body from absorbing or processing vitamin D or those with a family history of vitamin D deficiency.
Black Americans have the highest rates of severe vitamin D deficiency at nearly 12 percent. Severe vitamin D deficiency is also slightly higher in the U.S. during the winter when people get less sun exposure. Rates of moderate vitamin D deficiency are higher at 22 percent overall and are highest among Black Americans (49 percent) and Mexican Americans (35 percent).
Although severe vitamin D deficiency exists in the U.S., it is far from common. Most tellingly, conditions that are directly linked to vitamin D deficiency are not widespread. There is no epidemic of rickets, for example, or bone loss in adults.
There’s little evidence that vitamin D supplements improve overall health
Vitamin D supplements have clear, proven positive effects for people with vitamin D deficiency. Other health benefits of vitamin D supplements are less certain.
There is some evidence that the supplement may reduce the risk of fracture in adults with osteoporosis, a condition that causes weak, fragile bones. However, the benefit appears to be limited to people who have low vitamin D levels. In adults with normal vitamin D levels, supplements have no effect on fracture risk.
The largest randomized controlled trial of vitamin D, called VITAL, investigated the effects of vitamin D supplementation in people without an existing deficiency. The study found that vitamin D supplements had no effects on the risk of cancer, diabetes, or cardiovascular disease, including heart attack and stroke. The study concluded that more research is necessary to determine who may benefit from vitamin D supplements.
Independent analyses found that vitamin D supplementation may be associated with a long-term decrease in cancer mortality, but results are mixed and also require more investigation.
A 2021 analysis of past vitamin D trials found no overall health benefits from vitamin D supplements in people with normal vitamin D levels. Most large-scale studies have found no link between vitamin D supplements and lower all-cause mortality (deaths from any cause), except in older adults and those with vitamin D deficiency.
Vitamin D provides modest protection against respiratory infections
Vitamin D is important for immune function, but this is often misconstrued as vitamin D “boosting” the immune system.
Some people falsely believe that taking vitamin D supplements will keep them healthy and prevent infections like the flu or COVID-19. In reality, clinical trials and large-scale studies of vitamin D have found only minimal protective effects against respiratory infections.
A 2021 analysis of 46 trials found that 61.3 percent of participants who took daily vitamin D supplements got respiratory infections during the study periods—compared to 62.3 percent of people who did not take the supplements. A 2024 meta-analysis of 43 trials found no overall protective effect against respiratory infections, but it detected a slight decrease in risk among people who took specific doses daily.
In young children, there is some evidence that vitamin D supplementation may reduce the length of respiratory infections. However, it does not affect the number or severity of infections that children have.
Despite claims that taking vitamin D can protect against COVID-19, two clinical trials found that taking daily vitamin D supplements did not reduce the risk or severity of COVID-19 infections, even at high doses.
Context is key when considering vitamin D’s benefits
None of these studies contradict the well-established evidence that people with vitamin D deficiency benefit from vitamin D supplements. But it’s important to remember that many of the most popular health claims about vitamin D’s benefits are based on research in people with vitamin D deficiency.
Research in vitamin D-deficient populations is important, but it tells us little about how vitamin D will affect people with normal or close to normal vitamin D levels. A closer look at vitamin D research in people without low levels reveals little evidence to support the idea that the general population benefits from taking vitamin D supplements.
For more information, or to learn about your vitamin D levels, talk to your health care provider.
This article first appeared on Public Good News and is republished here under a Creative Commons license.
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Walk Yourself Happy – by Dr. Julia Bradbury
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Notwithstanding her (honorary) doctorate, Dr. Bradbury is not, in fact, a scientist. But…
- She has a lot of experience walking all around the world, and her walking habit has seen her through all manner of things, from stress and anxiety to cancer and grief and more.
- She does, throughout this book, consult many scientists and other experts (indeed, some we’ve featured here before at 10almonds), so we still get quite a dose of science too.
The writing style of this book is… Compelling. Honestly, the biggest initial barrier to you getting out of the door will be putting this book down first.If you have good self-discipline, you might make it last longer by treating yourself to a chapter per day
Bottom line: you probably don’t need this book to know how to go for a walk, but it will motivate, inspire, and even inform you of how to get the most out of it. Treat yourself!
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