Sleep apnea, Alzheimer's may be linked

Toxic brain proteins, called tau, offer tantalizing clues.

Don't let type 2 diabetes sneak up on you

Family history is just one potential factor—learn the others here.

6 smart ways to avoid food waste

Making a dent in what you discard helps the environment too.

Diet drinks linked to stroke in older women

Women who drink two or more diet sodas a day had the most elevated risk.