Curie Brief
Turn on cookies to sign in
Signing in saves your progress to your Curie account. We can only do that with cookies on — turn them on to continue.
News
Adults with ADHD may face a significantly higher risk of cognitive decline as they age. A study of over 187,000 US adults found that ADHD was associated with a 4.6-fold higher hazard of developing mild cognitive impairment (MCI) or dementia — and genetic data backed up the link. Researchers say ADHD deserves serious attention as a factor in cognitive aging.
Once thought of as a childhood condition, ADHD is now recognized as a lifelong disorder — and a major new study suggests it may have serious consequences for brain health in later life. Published in JAMA Psychiatry, the study of over 187,000 US adults aged 50+ found that those with ADHD faced a 4.6-fold higher hazard of developing mild cognitive impairment (MCI) or dementia compared to those without the diagnosis. Even after accounting for a wide range of confounders, the risk remained more than twofold elevated.
Crucially, the findings weren't just based on clinical diagnoses — genetic analyses using ADHD polygenic risk scores also showed a significant association, adding biological credibility to the link. Adults with both ADHD and MCI/dementia also reported worse mental health, lower quality of life, and used healthcare services significantly more than those without ADHD.
By the Numbers:
Why it matters: These findings reinforce the need for cognitive monitoring in adults with ADHD and open the door to earlier intervention strategies. While causality hasn't been established, the convergence of clinical and genetic evidence makes a compelling case for treating ADHD as a meaningful risk factor in cognitive aging.
