It’s hard enough for most people to imagine what it takes for a living donor to give an organ to a friend, family member or stranger. What about those who have done that good deed twice? Only 47 ...

New research reveals that exercise doesn't just benefit muscles or the heart—it triggers a cascade of molecular and cellular changes across nearly every organ in the body. In a sweeping study of rats, ...

The development and eventual approval of modern drugs is hugely reliant on animal models and human clinical trials, but for some time now scientists have been working on an alternative and more ...

It's common to say that someone looks either younger or older than their chronological age, but aging is more than skin deep. Our various organs and systems may have different ages, at least from a ...

Your anatomy operates like a machine, it's success hinging on the work of over 70 organs, each with a unique function. From the heart's blood-pumping ability to the liver's filtering power, each ...

Our organs age at different rates, and a blood test determining how much they’ve each aged could predict the risk of conditions like lung cancer and heart disease decades later, finds a new study led ...

The MarketWatch News Department was not involved in the creation of this content. From hot-mic whispers of World Leaders to groundbreaking science, Prof. Mike Chan reveals why cellular regeneration -- ...