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

We roll our shoulders and stretch our backs because it feels relaxing, refreshing and maybe even rejuvenating. But why is ...

Your brain holds an extraordinary secret that could change how you age mentally. Scientists have discovered that a specific type of exercise doesn’t just keep your mind sharp—it actually reverses ...

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 ...