Forget the myth that exercise uses up your heartbeats. New Australian research shows fitter people use far fewer total heartbeats per day—potentially adding years to their lives.

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in the middle of your chest and tilted slightly to the left, your heart pushes ...

Every new electronic device these days – from your phone to your watch to your ring – seems to want to make you aware of your heart rate. Why this focus on heart rate? Is it because the technology to ...

Researchers hope to replicate larger blood vessels like arteries and veins and potentially have real blood circulating through an organoid, a lab-grown replica of human organs.

A variety of herbs and spices can flavor your food, benefit your health, and improve symptoms of certain medical conditions, such as diabetes and heart disease.

Cardio (aerobic) workouts are good for your heart. Strength exercise (weight training and resistance training) builds the muscles that help you move and lift.

A rat study has found that aerobic exercise may reshape nerves that control the heart. However, the impact was not the same on both sides of the stellate ganglia. The findings could pave the way for ...

Some human organs, such as kidneys and lungs, have back-ups. Some can be lost with little consequence—the spleen, for example—and most can be sacrificed without making life impossible. One, the ...

Like most vertebrates, humans only have one heart, which is usually located near the front and middle of the chest, slightly to the left of the breastbone. The heart’s primary function is to pump ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

CONCORD, N.H. — Dartmouth Hitchcock Medical Center doctors have a surprising new addition to their team of heart surgeons: a $2.5 million robot. By mid-August, the first two patients had undergone ...

Speaker Mike Johnson (R-LA) reacts to MSNBC host Jen Psaki saying prayer is not enough in a monologue on the shooting at a Minneapolis Catholic school's church. SPEAKER OF THE HOUSE MIKE JOHNSON (R-LA ...