Health
People With A.D.H.D. Are Likely to Die Significantly Earlier Than Their Peers, Study Finds
A study of more than 30,000 British adults diagnosed with attention deficit hyperactivity disorder, or A.D.H.D., found that, on average, they were dying earlier than their counterparts in the general population — around seven years earlier for men, and around nine for women.
The study, which was published Thursday in The British Journal of Psychiatry, is believed to be the first to use all-cause mortality data to estimate life expectancy in people with A.D.H.D. Previous studies have pointed to an array of risks associated with the condition, among them poverty, mental health disorders, smoking and substance abuse.
The authors cautioned that A.D.H.D. is substantially underdiagnosed and that the people in their study — most of them diagnosed as young adults — might be among the more severely affected. Still, they described their findings as “extremely concerning,” highlighting unmet needs that “require urgent attention.”
“It’s a big number, and it is worrying,” said Joshua Stott, a professor of aging and clinical psychology at University College London and an author of the study. “I see it as likely to be more about health inequality than anything else. But it’s quite a big health inequality.”
The study did not identify causes of early death among people with A.D.H.D. but found that they were twice as likely as the general population to smoke or abuse alcohol and that they had far higher rates of autism, self-harming behaviors and personality disorders than the general population. In adulthood, Dr. Stott said, “they find it harder to manage impulses, and have more risky behaviors.”
He said health care systems might need to adjust in order to better serve people with A.D.H.D., who may have sensory sensitivity or difficulty managing time or communicating with clinicians during brief appointments. He said he hoped treatments for substance abuse or depression could be adapted for patients with A.D.H.D.
“If it’s about systems, it’s malleable,” he said. “This doesn’t have to be.”
Previous studies have pointed to an unusual number of early deaths for people with A.D.H.D. A 2022 meta-analysis in the journal JAMA Pediatrics found that deaths from unnatural causes, such as accidents or suicide, were 2.81 times higher among those diagnosed with A.D.H.D. than in the general population.
A 2019 study that used actuarial tables to predict life expectancy concluded that adults diagnosed with A.D.H.D. in childhood had an 8.4-year reduction in life expectancy compared with the general population, something the authors attributed to reduced education and income, higher rates of smoking and alcohol consumption and reduced sleep.
Russell Barkley, the lead author of that study, said the data made it clear that A.D.H.D. should not be seen as a childhood disorder, like bed-wetting, but as a lifelong problem.
“To me, the best analog is diabetes,” said Dr. Barkley, a retired professor of clinical psychology at Virginia Commonwealth University. “This is a disorder that you’ve got to manage, like high blood pressure, like cholesterol and diabetes. You’ve got to treat this for life.”
The new study examined 9,561,450 patients in Britain’s National Health Service primary care practices, among whom 30,039 had been diagnosed with A.D.H.D. Each person in the A.D.H.D. group was matched with 10 peers without the disorder for the purposes of comparison. Among those with A.D.H.D., 193 male patients and 148 female patients died during the follow-up period, which lasted from 2000 to 2019.
Stephen Hinshaw, a professor of psychology at the University of California, Berkeley, who studies A.D.H.D. but was not involved in the new British research, described the study as “a major finding,” the first analysis of deaths of subjects diagnosed with the disorder. He said it was unfortunate that the subjects’ causes of death were not included.
“There are risk factors to work on,” he said. “That is the key limitation of the study, because it would be really important to know, in terms of prevention, should we be focused on suicidality? Better diet and exercise? Depression?”
Diagnosis of A.D.H.D. has shifted in recent years, as clinicians concluded that many older people, especially women and people of color, had gone undiagnosed early in life and could benefit from treatment. As first-time diagnoses surged among older people, prevalence has remained consistent among children, at around 11 percent in the United States and 5 percent in Britain.
Dr. Stott said he hoped that, as these demographic changes took hold, health care systems would make more effort to identify the needs of neurodivergent patients. In past decades, he said, they may have been viewed dismissively by caregivers, as “the naughty kid at school.”
“If you’re constantly told, as a kid, sit down, stop being so naughty — if you talk to people with A.D.H.D., that is their experience — stop talking, go and sit outside,” he said. “It’s all of these things that wear down at your life chances, in many ways.”
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A new study suggests that middle-aged men may be more vulnerable to faster biological aging, potentially linked to exposure to “forever chemicals.”
The research, published in the journal Frontiers in Aging, examined how perfluoroalkyl and polyfluoroalkyl substances, more commonly known as PFAS, could impact aging at the cellular level.
PFAS are synthetic chemicals commonly used in nonstick cookware, food packaging, water-resistant fabrics and other consumer products, the study noted.
Their chemical structure makes them highly resistant to breaking down, allowing them to accumulate in water, soil and the human body.
Chinese researchers analyzed blood samples from 326 adults enrolled in the U.S. National Health and Nutrition Examination Survey between 1999 and 2000.
A new study suggests that middle-aged men could face accelerated biological aging at the cellular level due to exposure to PFAS. (iStock)
The researchers measured levels of 11 PFAS compounds in participants’ blood and used DNA-based “epigenetic clocks” — tools that analyze chemical changes to DNA to estimate biological age — to determine how quickly their bodies were aging at the cellular level, the study stated.
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Two compounds, perfluorononanoic acid (PFNA) and perfluorooctanesulfonamide (PFOSA), were detected in 95% of participants.
Higher concentrations of those chemicals were associated with faster biological aging in men of certain age groups, but not in women.
“People should not panic.”
The compounds most strongly linked to accelerated aging were not the PFAS chemicals that typically receive the most public attention, the researchers noted.
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“The associations were strongest in adults aged 50 to 64, particularly in men,” Dr. Xiangwei Li, professor at Shanghai Jiao Tong University School of Medicine and the study’s corresponding author, told Fox News Digital.
“While this does not establish that PFAS cause aging, it suggests that these widely present ‘forever chemicals’ may be linked to molecular changes related to long-term health and aging.”
The study found that two of the compounds were detected in 95% of participants, and higher levels were linked to faster biological aging in men ages 50–64. (iStock)
Midlife may represent a more sensitive biological period, when the body becomes more vulnerable to age-related stressors, according to the researchers.
Lifestyle factors, such as smoking, may influence biological aging markers, potentially increasing vulnerability to environmental pollutants.
While Li said “people should not panic,” she does recommend looking for reasonable ways to reduce exposure.
That might mean checking local drinking water reports, using certified water filters designed to reduce PFAS, and limiting the use of stain- or grease-resistant products when alternatives are available.
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Meaningful reductions in PFAS exposure will likely depend on broader regulatory action and environmental cleanup efforts, Li added.
The researchers noted that midlife could be a particularly sensitive stage, when the body is more susceptible to stressors associated with aging. (iStock)
Study limitations
The researchers outlined several important limitations of the research, including that the findings show an association, but do not prove that PFAS directly causes accelerated aging.
“The study is cross-sectional, meaning exposure and aging markers were measured at the same time, so we cannot determine causality,” Li told Fox News Digital.
The study was also relatively small, limited to 326 adults age 50 or older, which means the findings may not apply to younger people or broader populations.
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Researchers measured PFAS levels using data collected between 1999 and 2000, and today’s exposure patterns may differ.
Li added that while PFAS is known to persist in the environment and the body, these results should be validated through larger, more recent studies that follow participants over time.
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A drug that has long been used to treat seizures has shown promise as a potential means of Alzheimer’s prevention, a new study suggests.
The anti-seizure medication, levetiracetam, was first approved by the FDA in November 1999 under the brand name Keppra as a therapy for partial-onset seizures in adults. The approval has since expanded to include children and other types of seizures.
Northwestern University researchers recently found that levetiracetam prevented the formation of toxic amyloid beta peptides, which are small protein fragments in the brain that are commonly seen in Alzheimer’s patients.
The medication was found to prevent the formation of amyloid-beta 42 in both animal models and cultured human neurons, according to the study findings, which were published in Science Translational Medicine.
The effect was also seen in post-mortem human brain tissue obtained from individuals with Down syndrome, who are at high risk for Alzheimer’s disease.
The medication was found to prevent the formation of amyloid-beta 42 in both animal models and cultured human neurons. (iStock)
“While many of the Alzheimer’s drugs currently on the market, such as lecanemab and donanemab, are approved to clear existing amyloid plaques, we’ve identified this mechanism that prevents the production of the amyloid‑beta 42 peptides and amyloid plaques,” said corresponding author Jeffrey Savas, associate professor of behavioral neurology at Northwestern University Feinberg School of Medicine, in a press release.
“Our new results uncovered new biology while also opening doors for new drug targets.”
HIDDEN BRAIN CONDITION MAY QUADRUPLE DEMENTIA RISK IN OLDER ADULTS, STUDY SUGGESTS
The brain is better able to avoid the pathway that produces toxic amyloid‑beta 42 proteins in younger years, but the aging process gradually weakens that ability, Savas noted.
“This is not a statement of disease; this is just a part of aging. But in brains developing Alzheimer’s, too many neurons go astray, and that’s when you get amyloid-beta 42 production,” he said.
The effect was also seen in post-mortem human brain tissue obtained from individuals with Down syndrome, who are at high risk for Alzheimer’s disease. (iStock)
That then leads to tau (“tangles”) — abnormal clumps of protein inside brain neurons — which can kill brain cells, trigger neuroinflammation and lead to dementia.
In order for levetiracetam to function as an Alzheimer’s blocker, high-risk patients would have to start taking it “very, very early,” Savas said — up to 20 years before elevated amyloid-beta 42 levels would be detected.
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“You couldn’t take this when you already have dementia, because the brain has already undergone a number of irreversible changes and a lot of cell death,” the researcher noted.
The researchers also did a deep dive into previous human clinical data to determine whether Alzheimer’s patients who were taking the anti-seizure drug had slower cognitive decline. They reported that the patients in that category had a “significant delay” in the span from cognitive decline to death compared to those not taking the drug.
“This analysis supports the positive effect of levetiracetam to slow the progression of Alzheimer’s pathology,” the researcher said. (iStock)
“Although the magnitude of change was small (on the scale of a few years), this analysis supports the positive effect of levetiracetam to slow the progression of Alzheimer’s pathology,” Savas said.
Looking ahead, the research team aims to find people who have genetic forms of Alzheimer’s to participate in testing, Savas said.
Limitations and caveats
The study had several limitations, including that it relied on animal models and cultured cells, with no human trials conducted.
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Because the study was observational in nature, it can’t prove that the medication caused the prevention of the toxic brain proteins, the researchers acknowledged.
Savas noted that levetiracetam “is not perfect,” cautioning that it breaks down in the body very quickly.
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The team is currently working to create a “better version” that would last longer in the body and “better target the mechanism that prevents the production of the plaques.”
“You couldn’t take this when you already have dementia, because the brain has already undergone a number of irreversible changes and a lot of cell death.”
The medication’s common documented side effects include drowsiness, weakness, dizziness, irritability, headache, loss of appetite and nasal congestion.
It has also been linked to potential mood and behavior changes, including anxiety, depression, agitation and aggression, according to the prescribing information. In rare cases, it could lead to severe allergic reactions, skin reactions, blood disorders and suicidal ideation.
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Funding for the study was provided by the National Institutes of Health and the Cure Alzheimer’s Fund.
Fox News Digital reached out to the drug manufacturer and the researchers for comment.
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