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 ...

Researchers have developed a promising synthetic heart valve that may eventually be used for growing children. Harvard’s Wass Institute and John A. Paulson School of Engineering and Applied Sciences ...

In a new test of xenotransplantation, a medical team at the University of Maryland Medical Center announced Friday that, for only the second time in history, it had transplanted a heart from a ...

The Franklin Institute is demystifying the organs and vessels that make our bodies tick with an $8.5 million exhibit opening Saturday. The "Body Odyssey" features interactive stations that invite kids ...

Microplastics, which are less than 5 millimeters wide -- or about the size of a pencil eraser, can enter the human body through the mouth, nose and other body cavities. Getty Images This might make ...

David Bennett Sr. received a new heart from a genetically modified pig. A 57-year-old man who underwent a first-of-its-kind heart transplant involving a genetically-modified pig heart is in a "much ...

The Food and Drug Administration recently approved a heart stent made specifically for infants and young children, a device that could help kids born with certain congenital heart defects avoid a ...

Everywhere scientists look for microplastics, they've found them -- food, water, air and some parts of the human body. But examinations of our innermost organs that aren't directly exposed to the ...

In addition to causing several types of cancer, human papillomavirus (HPV) appears to bring a significantly increased risk of heart disease and coronary artery disease, according to a new study. In ...