A new study reversed transplant rejection twice, uncovering the reasons for transplant rejection on a cellular level ...

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 ...

For more than a century, medical students have memorized the same map of the human body, confident that every major structure ...

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 ...

The human body is incredibly resilient. When you donate a pint of blood, you lose about 3.5 trillion red blood cells, but your body quickly replaces them. You can even lose large chunks of vital ...

There are many kinds of T cells, and they play different parts in defending the body. Some T cells kill infected cells, ...

In a successful transplant in a man with brain death, scientists prevented the immune system from attacking a genetically ...

Fish delivers protein, and when you choose a fatty fish like tuna, salmon or trout, you're also getting omega-3 fatty acids.

With a lion's head full of gnashing teeth sitting atop the body of a goat and a snake for a tail, the Chimera of Greek mythology is a terrifying sight -- and that's before it starts breathing fire.