The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...
When a sprinter explodes out of the blocks, the first few seconds of effort are powered not by oxygen or glucose but by ...
When heart muscle gets damaged, the result is often permanent. Unlike other muscles in the body, the heart has long been believed to lack the ability to heal itself. But recent research suggests that ...
Scientists have found that the human heart can regenerate muscle cells after a heart ...
Myocardial ischemia is a drop in blood flow to the heart. Myocardial infarction, or heart attack, occurs when death or damage occurs in the muscle tissue of the heart due to low blood supply. The ...
Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. By its name and nature, heart failure doesn’t ...
A practical comparison of cardio and strength training, outlining how each supports fat loss, heart health, muscle growth, ...