People who already show signs of Alzheimer's are at heightened risk.

Zosia Wasylewski was “as healthy as they get” until a blood clot suddenly blocked an artery in her brain.

Although it’s not the fountain of youth or a magic elixir, this B vitamin has surprising ties to disease, aging and mental state.

There's no hard and fast rule on cognitive tests, but there's no doubt positive changes now help prevent dementia later.

Enjoy this lovely treat in moderation, and your brain and heart might thank you for it.

Memory and thinking skills may decline faster in Parkinson's patients who have a high-risk gene variant.

More aggressive surgeries that target the tumor and its surrounding tissues could improve survival period.

Children who grow up in pup-friendly homes might face lower risk of developing schizophrenia later in life.

Your middle schooler might be showing classic signs of anxiety—and if you're not paying attention, you could miss them.

Include the "sunshine vitamin" in your meal plans to keep happy all season long.

Identifying biomarkers at a young age could promote therapies that treat symptoms of psychiatric illness.

Little Naomi Gomez battled leukemia. Then a stroke. Now she's back to living life.