Blood

The bloodsucking worms might conjure an era of vampiric pseudoscience, but their powerful jaws are inspiring new applications.

Despite government efforts to silence her, Dr. Gao drew global attention to an epidemic that devastated rural China and killed…

The News A lifesaving cancer treatment may itself cause cancers, the Food and Drug Administration reported on Tuesday. The treatment,…

When asked about immigration in a recent interview, the former president used language with echoes of white supremacy and Hitler.

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found.

The F.D.A. proposed a more individualized policy based on questions about sexual behavior and risks.

Cardiac doctors say that blows to the chest causing an erratic heart rhythm are highly unusual, but not unheard-of in…

The glass frog’s unusual adaptation to bolster its camouflage could offer clues for preventing deadly blood clots in people.

New Zealand’s health service is seeking to take temporary custody of a critically ill infant so it can perform a…

The agency may put in place a personalized risk assessment to replace the current prohibition on men who have had…