A person may be 55 years old on paper while their lungs, kidneys, or pancreas appear biologically older or younger.

Medical science has made remarkable progress in recent decades. Earlier, when an organ in the body was damaged, the only option was an organ transplant from another person. But now, artificial organs ...

Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in ...