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 ...

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 ...

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 ...

In the early hours of January 7th, the cardiothoracic surgeon Bartley Griffith, unable to sleep, went to his kitchen to make coffee. It was about 2 a.m. His usual mug is tall, and he had to remove the ...

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 ...

We all know that the heart, along with the brain, is the most important organ for the body that is responsible for pumping blood. However, there exists a "second heart" as well, which functions inside ...

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 ...