Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

'The key with HIIT is to exercise at a high enough intensity to influence the push of your heart, and the stretch of your blood vessels. True high-intensity intervals are three minutes or less, and ...

Discover the Japanese 3x3 Interval Walking Exercise, a 20 - minute routine that alternates brisk and slow walking for ...

Share on Pinterest Heat-induced dehydration can place stress on the heart and raise the risk for serious cardiac events. FG Trade Latin/Getty Images Higher temperatures can raise the risk of ...

One in three U.S. adults has risk factors for cardiovascular-kidney-metabolic or CKM syndrome, a new condition identified by the American Heart Association. Chronic diseases are the leading cause of ...