If you're not yet familiar with the fitness approach called cross-training, it might sound like hard work. But it's really just a way to add variety to your exercise routine by alternating activities.
Staying physically fit can help ward off heart trouble, even if your genetics put you at higher risk for clogged arteries, a new, large study suggests.
Here are just some of the benefits from exercise: your cognitive and lung function, heart, blood pressure, immune system, joints, bones, um, elimination and of course, balance.