Jehovah’s Witness leaders are modifying their rules on blood transfusions by letting members choose whether to store and ...

Jehovah's Witnesses will allow members to have their own blood removed, stored, and "given back" in medical procedures.

The number doctors use to demarcate hypertension keeps going down, a trend applauded by many experts, who point to studies ...

Rising carbon dioxide levels are heating the planet but may also have an alarming, invisible impact on the human body, according to new research.

In the brain, Alzheimer’s is characterized by two proteins, amyloid beta and tau, that become dysfunctional, forming plaques ...

Animal studies often fail to predict human tissue responses to new drugs or newly developed therapies. Besides generating ...

As blood banks across the U.S. report dangerously low supplies of O-negative blood (red blood cells), anesthesiologists are ...