Answers to some of the most frequently asked questions about organ donation. — -- Polls suggest that most Americans believe in organ donation, but only a minority are signed up to be donors.

A simple blood test could help doctors detect telltale signs of transplant rejection. The finding may provide a non-invasive alternative for diagnosing organ rejection before damage occurs. The ...

A drug that can reverse aspects of ageing has been successfully trialled in animals, say scientists. They have rejuvenated old mice to restore their stamina, coat of fur and even some organ function.