Subscribe to The St. Louis American‘s free weekly newsletter for critical stories, community voices, and insights that matter. Sign up Cardiovascular disease, also called heart disease, is an umbrella ...

Cardiovascular disease, sometimes abbreviated as CVD, is the leading cause of death worldwide. It’s a catchall term for heart problems and problems with your blood vessels. Heart disease and ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

'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 ...