The Norwegian 4x4 method involves high-intensity exercise for four minutes followed by three minutes of active recovery, ...

But a little-known yet key part of longevity involves cultivating a healthy immune system. It makes sense: The stronger your ...

Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had ...

To start running it's best to establish motivational factors like signing up for a race and finding a friend to run with or ...

In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system.

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. (CNN) — Once you have embarked upon a new exercise regimen, most people hope to ...