What's a healthy blood pressure reading? What does an irregular heartbeat mean?
Check out these five interactive tools to help you better understand
and protect your one-and-only ticker.

Macular degeneration is a major cause of vision loss as people get older.
But a few healthy habits can help preserve your eyesight.
One key move: Don't light up.

That's an important question to ask your doctor if you've had breast cancer.
Testing positive for mutations in two BRCA genes may guide your treatment,
and it could say something about your risk for another type of cancer.

A migraine headache can ruin an entire day (or more). But some people can't tolerate
any of the medicines that offer relief. If you're one of these people,
you may want to ask your doctor about two non-drug therapies.

Close friends and family help you celebrate good times and weather bad ones.
But having a large social network in your later years may also benefit your brain.