An organ is a group of tissues that work together to perform a specific task in the body, such as digesting nutrients or producing chemical messengers that enable brain cells to communicate. Although ...

Perfusion keeps a donated organ alive outside the body, giving surgeons extra time and increasing the number of transplants possible. By Ted Alcorn On some level, the human liver in the operating room ...

You might celebrate one birthday each year, but inside your body, different organs are marching to their own biological drums. That number on your driver’s license? It’s just a rough average that ...

How old are your organs? The answer might not match your chronological age — and a new analysis finds that an organ’s ...

Things in Dr. Anthony Atala’s lab at Wake Forest University are not always what they seem. On one lab bench, surrounded by gutted printer cartridges, lie the inner workings of an inkjet printer. But ...

Death is not a singular moment, but rather a process that marks the body's transition from life to the unknown. While the image of death is often portrayed as sudden, especially in cases of cardiac ...

EDITOR’S NOTE: Watch “Dr. Sanjay Gupta Reports: Animal Pharm” on Sunday, May 18, at 8 p.m. ET/PT on CNN. There were more than 48,000 organ transplants in the United States last year. They’re ...