Many avid joggers feel guilty about taking days off from running. However, taking it easy may be healthier than going overboard.

January is the time for resolutions, and getting into shape is a good one for most people. You don't necessarily have to run a marathon, though — even a little exercise a day could help keep the doctor away.

They may be key to weight loss and good health, but diet and exercise may sometimes need a little help from obesity medications and surgery.

Exercise doesn't have to be complicated. Even simple walks with friends may improve your health.

Couch potatoes, get up and move. Exercise — even a little bit — could help you live longer.

They might be stylish, cool and fun to use, but wearable health-tracking devices aren't likely to make much difference if wearers don't change their habits.

Pumping iron to stay strong may keep your heart pumping, too. Healthy lifestyle practices may prevent the majority of heart attacks in younger women.

Memory and thinking tend to slow down in older adults, but those who stay physically active may keep their minds running smoothly.

In weight loss, the real challenge may come not from shedding the pounds, but from keeping them off. New suggestions from a panel of experts could help people who have lost weight keep the pounds off.

Want to reduce your heart disease risk? Some sun salutations or warrior poses might help.