A single vial of blood could help tell you which drugs to take, foods to eat, and more.

New blood tests can detect cancer recurrence earlier than traditional scans, potentially giving doctors and patients crucial ...

Harrison, who was 21 at the time, showed neither signs nor symptoms related to the virus, and was in a long-term relationship ...

Screening can now determine their risk for an ever-growing list of conditions — including ones we can’t do much about.