Researchers have shown that tiny lasers integrated into heart muscle cells or tissue can be used to acquire high-resolution measurements of contractility in heart muscle cells, live zebrafish and ...

Researchers at UT Southwestern Medical Center have identified a previously unrecognized small protein in cells of the human heart that plays a key role in heart muscle contraction. The protein is made ...

Since early in the pandemic, COVID-19 has been associated with heart problems, including reduced ability to pump blood and abnormal heart rhythms. But it's been an open question whether these problems ...

Your lower legs do much more than just keep you upright and moving through the day. Science reveals that your calf muscles act as a vital secondary pump, protecting your heart and boosting total body ...