Health
Daily multivitamins might not help you live longer, study finds: 'No differences in mortality'
Approximately one-third of U.S. adults report taking multivitamins, data shows — but a new study suggests that the daily practice won’t extend longevity.
Researchers from the National Institutes of Health (NIH) analyzed more than 20 years’ worth of data from 400,000 healthy U.S. adults, concluding that taking multivitamins did not reduce mortality risk.
“The analysis showed that people who took daily multivitamins did not have a lower risk of death from any cause than people who took no multivitamins,” the researchers wrote in a press release from NIH.
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“There were also no differences in mortality from cancer, heart disease or cerebrovascular diseases.”
Approximately one-third of U.S. adults report taking multivitamins, data shows. (iStock)
Those who took daily multivitamins were actually found to have a 4% higher mortality risk, according to the study, which was published in JAMA Network Open on Wednesday.
The average age of participants was 61-½, and 164, 762 deaths occurred during the follow-up period.
“People who use multivitamins may have healthier lifestyles in general, and sicker patients may be more likely to increase their use of multivitamins.”
Results were adjusted for factors including race, ethnicity, education and nutrition.
The study followed a 2022 analysis from the US Preventive Services Task Force, which concluded that there was “insufficient evidence” to determine whether multivitamin use improved mortality.
Those who took daily multivitamins were actually found to have a 4% higher mortality risk, according to the study, which was published in JAMA Network Open on Wednesday. (iStock)
By including larger numbers of participants and extending the follow-up for longer periods of time, the researchers aimed to account for potential biases that could have influenced the findings.
“For example, people who use multivitamins may have healthier lifestyles in general, and sicker patients may be more likely to increase their use of multivitamins,” they wrote in a press release from NIH.
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Pieter Cohen, associate professor of medicine at the Cambridge Health Alliance in Massachusetts, was not involved in the study but offered his feedback.
“This study provides further evidence that taking multivitamins, even for 20 years or more, won’t extend your life,” he told Fox News Digital.
“For healthy adults, there’s no reason to add on a multivitamin unless your doctor specifically recommends it.”
Doctor points out limitations
Dr. Brett Osborn, a Florida neurologist and longevity expert, was also not involved in the study but weighed in on the findings.
Dr. Brett Osborn, a Florida neurologist and longevity expert with Senolytix, is a proponent of daily multivitamins. (Dr. Brett Osborn)
“Key aspects of the study include its observational nature, the absence of a control group, and the variability in multivitamin formulations used by participants,” he said in an email to Fox News Digital.
(The researchers also acknowledged these limitations in their discussion of the study results.)
“Most multivitamins contain a broad spectrum of vitamins and minerals, but the concentrations can vary widely across brands and formulations,” a doctor said. (iStock)
“Observational studies like this one can suggest associations or correlations, but cannot prove causation due to the potential for confounding variables influencing both multivitamin use and mortality outcomes,” Osborn said.
While the researchers noted that they had adjusted for factors such as demographics, lifestyle behaviors and health status, Osborn said, “residual confounding remains a concern.”
The doctor also noted that lack of a control group makes it difficult to compare outcomes.
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“Without a control group, it’s challenging to separate the effects of multivitamins from those of other health behaviors or baseline health conditions that could influence mortality,” Osborn said.
The study also does not include controls for the specific formulation or dosage of multivitamins taken by participants, the doctor noted.
The study highlights the importance of “rigorous scientific inquiry” into the health benefits of multivitamins, a doctor said. (iStock)
“Most multivitamins contain a broad spectrum of vitamins and minerals, but the concentrations can vary widely across brands and formulations,” he said.
“Many commercially available multivitamins may not provide optimal levels of nutrients required for health benefits, potentially diluting any potential effects on longevity.”
In his practice, Osborn said, he recommends a multi-capsule daily multivitamin to his patients.
Vitamin usage is just one aspect of longevity, the doctor pointed out, along with genetics, lifestyle, socioeconomic status and access to health care, among other factors.
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“The multifactorial nature of longevity means that isolating the impact of multivitamins alone is complex and challenging, if not impossible,” Osborn said.
“There are just too many potentially confounding variables.”
The study highlights the importance of “rigorous scientific inquiry” into the health benefits of multivitamins, according to the doctor.
Vitamin usage is just one aspect of longevity, a doctor pointed out, along with genetics, lifestyle, socioeconomic status and access to health care. (iStock)
“In my opinion, multivitamins should be taken, as most Americans are malnourished — certainly not calorically, but in the context of vitamins and minerals.”
Looking ahead, the researchers emphasized the importance of measuring multivitamins’ impact on mortality in more diverse populations with different medical conditions and dietary habits.
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“It is important to evaluate multivitamin use and risk of death among different kinds of populations, such as those with documented nutritional deficiencies, as well as the potential impact of regular multivitamin use on other health conditions associated with aging,” they wrote.
Fox News Digital reached out to the study researchers for comment, as well as the vitamin manufacturers PharmaVite (NatureMade), Nestlé Health Science (Garden of Life and Nature’s Bounty), and Life Extension.
Health
One walking habit could signal a healthier brain after 80, scientists say
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Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers.
That’s according to a recent study led by Stony Brook Medicine in New York, which evaluated the cognitive function of 4,000 adults 80 and over who participated in multiple aging and longevity studies over several years.
Among this group, 6% to 10% were classified as super movers, which means they walk at a much faster pace than others of the same age and gender — at speeds comparable to people three decades younger.
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The super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed.
The findings were published in the journal Neurology on June 16.
Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers. (iStock)
“The study reinforces that mobility and brain health are closely connected,” lead study author Dr. Joe Verghese, MD, neurologist at Stony Brook Medicine, told Fox News Digital. “This suggests that preserving mobility may be an important marker of healthy brain aging and resilience.”
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The most intriguing finding, according to Verghese, was that super movers maintained cognitive function despite having similar dementia-related brain changes as their peers.
In postmortem brain analysis, there was no difference in dementia-related pathologies between the super movers and the slower walkers, the study stated.
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“This suggests they may possess resilience mechanisms that help preserve brain function even in the presence of age-related changes,” he said. “Understanding these resilience factors could lead to new strategies for promoting healthy brain aging.”
As the study was observational, there were some limitations, and it does not prove that walking faster prevents dementia, the researchers noted.
Super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed. (iStock)
“Other factors, such as cardiovascular health, physical fitness or genetics, may also contribute to both faster walking and better cognitive outcomes,” Verghese said.
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This study adds to growing evidence that what’s good for the heart and muscles also benefits the brain, he noted, adding that “staying physically active remains one of the most effective, evidence-based ways to support healthy aging.”
“Walking speed is best viewed as a marker of overall health, not a treatment.”
“The broader message is that physical activity is important at any age,” Verghese said. “Walking is an easy step-up point because you don’t need any special equipment. You can do it inside or outdoors, and you can do it on a regular basis. You can walk with a dog, you can walk with a friend.”
Any activity is beneficial if it’s done regularly and with the right intensity, he added.
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Rather than just trying to walk faster, the neurologist recommends that seniors focus on maintaining mobility through regular physical activity, strength training, balance exercises and good cardiovascular health.
“Walking speed is best viewed as a marker of overall health, not a treatment,” Verghese noted.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking. (iStock)
This can be achieved by walking 30 minutes a day, five days a week, or about 20 to 25 minutes most days. Another option is to engage in shorter sessions that add up over the day.
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“You have to do it within your health limitations and medical conditions,” Verghese advised. “So if there are any medical concerns, I would get your physician to clear you before starting exercise.” The good thing about walking, he added, is that you can start at a slow pace and then gradually build up to a brisker pace.
“And then adding on strength and balance training, whatever age you are, I think is also important.”
Health
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Health
Dr Oz warns Medicare scammers are stealing billions — and your personal information could be next
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Washington, D.C. – Medicare fraud is a multibillion-dollar problem that government officials say threatens both taxpayer dollars and Americans’ personal identities.
In a July 6 interview with Fox News Digital at the Great American State Fair in Washington, D.C., Dr. Mehmet Oz warned that every dollar stolen through Medicare fraud is a dollar taxpayers lose – a problem that has worsened since the COVID pandemic.
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz, who is the administrator of the Centers for Medicare & Medicaid Services. “And just to put this in perspective, we think it’s about $100 billion a year.”
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Medicare fraud can include billing for services that were never provided, overcharging for medical equipment, using stolen patient or doctor information, or performing unnecessary procedures, according to the U.S. Government Accountability Office.
CMS administrator Dr. Mehmet Oz is pictured on stage at the Great American State Fair in Washington, D.C., on July 6, 2026. (Angelica Stabile/Fox News Digital)
As the Trump administration ramped up efforts to combat fraud, CMS reported $41.9 billion in Medicare program integrity savings in 2025, up 59% from $26.3 billion in 2024.
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Medicare fraud not only harms the federal budget and steals from taxpayers, but exposes seniors to identity theft, unnecessary care, higher premiums and reduced access, Oz cautioned.
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Removing corruption from the healthcare system will have the greatest impact among seniors, since “so much of the fraud is perpetrated against them,” the administrator said.
“I’m talking about people tricking seniors to give up their Medicare beneficiary numbers, which is like a credit card basically,” he said. “These scammers can take those numbers and use them for all kinds of illegitimate purposes.”
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz. (Fox News Digital)
“People are stealing from you by pretending to send you drugs you don’t want, wheelchairs you don’t need, [and] services you never asked for or don’t benefit from,” Oz added.
To prevent this, he shared his top advice for seniors: Do not give your Medicare beneficiary number to anybody, do not answer questions on a phone call from an unknown person and do not give away personal information.
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“These scammers are calling seniors, tricking them, and once they have key information, they can steal it,” he said. “And I won’t know it and you won’t know it.”
“We want to protect people who need these programs the most,” Oz went on. “You do that by making sure scoundrels don’t corrupt the systems and steal money out of the till that is designed to help folks in dire straits when they’re vulnerable and in need of services.”
Seniors should never share their Medicare information with unknown people, the administrator advised. (iStock)
Removing fraud could “double the life expectancy of the trust fund that makes all this possible,” Oz predicted.
“If you’re worried about Medicare being there when you’re ready to retire in a couple decades, depending on how old you are, and you’re concerned that it might not last because of all the fraud that’s hitting it … you’ve got a good [reason to] worry,” he said.
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“If we take the fraud out, we could double the life expectancy, which means you, your kids, your kids’ kids … they could all benefit from this beautiful safety net program.”
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