Every person alive depends on a fist-sized muscle that contracts roughly 100,000 times between sunrise and sunrise again.

Ever think about what your heart does while you wind down? Most of us look at the evening as personal time to relax, binge a ...

New research shows that PM2.5 air pollution may increase heart disease risk even at levels below current EPA regulatory ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

According to the American Heart Association, exercise alone usually does not result in significant weight loss for most ...

Researchers studying tattoo ink accidentally stumbled upon evidence of a vast microscopic fluid network inside the human body that some scientists now believe could reshape medicine itself.

With every pump of our heart, blood courses through our arteries and veins, carrying oxygen and nutrients through our body. But as we age, blood vessels can stiffen, blockages can build up, and the ...

Wearable devices like smartwatches and fitness trackers have revolutionized the way we monitor our health. Worn around the ...

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

Deep vein thrombosis (DVT) is a preventable but serious medical condition where blood clots form in your veins. Most often, these clots are in your lower leg, thigh, or pelvis. They can sometimes ...