There are these waves of age-related changes,” said one scientist — but this is the age when things start to speed up.

Aging has always been tied hand in hand with the passage of time: a slow and steady process. A little less energy here, a few ...

Many parts of the human body can be transplanted to other people to improve their quality of life, or to help them survive. You can donate eight vital organs, including your heart, kidneys ...

Scientists have uncovered a surprisingly simple “tissue code”: five rules that choreograph when, where, and how cells divide, ...

Digital twins of human organs are here. They’re set to transform medical treatment. The models can be used to plan surgeries and in the future could be used to help trial new drugs. Nico Ortega by ...

One organ in a person’s body can age faster than the rest — with implications for health and mortality. The authors studied 11 major organs and report that all of them can be subject to ...