Add Yahoo as a preferred source to see more of our stories on Google. Older man with greyin beard wears a swim cap and smiles as he's swimming at a public pool. In a study published Friday (April 12) ...

Scientists have identified a new sign of biological aging that may be reversible through simple exercise. Most of us see aging as an inevitable process of life, but some scientists are beginning to ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. Has your doctor quizzed ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. As reproductive health ...

Future Cardiol. 2010;6(3):325-342. Some variables listed are relevant irrespective of the population undergoing testing, while others are only valuable in unique patient populations. Exercise HR ...

The science of why we age is a hot topic, with studies pointing to changes in our chromosomes, cellular stress and epigenetics as culprits. These changes are difficult to reverse with treatments — but ...