Want to protect yourself against diseases like dementia, stroke and depression? Reduce sedentary behavior and start exercising, a preliminary study says.

A new study reveals that physical activity may lower the risk of dementia, stroke, anxiety, depression, and sleep disorders.

New research found that working out starts a chain reaction that can lower your risk of dementia. Here's exactly how it works—and how long it takes.

If you want to keep your memory strong as you age, adopting these daily habits can significantly lower your risk of dementia. From regular exercise and a healthy diet to meditation and more, here’s how you can support your brain health.

Dementia is an umbrella term for a condition that affects someone’s ability to think, remember and make decisions in everyday life. Alzheimer’s disease is the most common type of dementia, accounting for 60% to 80% of all dementia cases.