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.

Blood tests can help a doctor diagnose a variety of health conditions, including infections, anemia, high cholesterol, vitamin deficiencies, organ failure, HIV, cancer, and diabetes. Doctors use blood ...

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 ...