45% of Dementia Cases Are Preventable. Here Is What the 2024 Lancet Commission Found.
For years, the number that circulated in brain health circles was 40%, the estimated share of preventable dementia cases if people addressed the right lifestyle factors. That number just got revised upward. The 2024 Lancet Commission on Dementia Prevention, Intervention and Care updated its earlier 2020 analysis, adding two newly recognised risk factors and raising […]
SleepHow Much Sleep Do You Need to Prevent Dementia?
How much sleep to prevent dementia? Research points to 7–8 hours as the brain health sweet spot. Learn why too little — and too much — both raise your risk.
ExerciseMobility Training and Dementia Prevention: What the Science Says
Discover how mobility training may protect your brain from dementia. Science-backed strategies to stay active and sharp into your 70s and 80s.
Social ConnectionSocial Isolation vs Loneliness: What Your Brain Needs
Social isolation and loneliness are not the same thing. Learn how each one affects your brain health and what the research says about dementia risk.
Social ConnectionHow Relationships Protect Your Brain From Dementia
Think back to the last time you had a really good conversation with someone you care about. Maybe it was dinner with an old friend, a long phone call with a sibling, or a walk with your partner where the time just disappeared. You probably felt lighter afterward, more energized. What you may not have […]
Social ConnectionDoes Loneliness Increase Alzheimer’s Risk? The Research Is Clear
Does loneliness increase Alzheimer's risk? Research says yes. Learn how social isolation changes your brain and 5 science-backed ways to protect it.
Social ConnectionCan Handwriting and Reading Actually Protect Your Brain? Here’s What the Research Shows
Handwriting and reading activate brain networks involved in memory and attention. But can they reduce dementia risk? Here is what current research suggests.