Plenty of people are hitting the pavement, the pool or the trails this spring with new fitness goals but outdated information. Exercise scientists have solved many mysteries in the past century or so, ...

A chemical stress test uses medications to simulate your heart’s response to exercise. A stress test can assess how well your heart performs during exercise. Your doctor may suggest a stress test if ...

A new study suggests that after a marathon, you are: More likely to catch a cold Less likely to catch a cold Strenuous exercise does not seem to affect immunity About what percentage of Americans ...

A study of 24 overweight men and women ages 18 to 55 found that 45 minutes of this activity led to an increase in appetite: Brisk walking on a treadmill Lifting weights Both walking and lifting ...

A stress test measures how well your heart works when put under stress. It is ordered to assess exercise tolerance, see if your heart can respond to demands, or test if heart medications are working.