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 ...

Health issues in other organ systems, like the kidneys or metabolic system — which includes how the body manages weight and ...

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence. The chambers on the ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

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 ...

A marathon pushes the human body close to its limits. Legs tire, lungs burn and the heart works hard for hours on end. For ...

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 ...

Researchers focused on Myotonic Dystrophy 1 heart problems are testing a novel approach to restore normal function. Myotonic Dystrophy Type 1 (DM1) is the most common adult-onset form of muscular ...

An international research team has uncovered a new insight into human evolution by comparing humans' hearts with those of other great apes. An international research team from Swansea University and ...

Hot cocoa made with cocoa powder can do so much more for you than just warm you up on a chilly day. Studies have shown that flavanols from cocoa have been proven to have positive effects on ...