The first head-to-head trial of obesity drugs reveals a clear winner for effective weight loss. But how does it work, and what are the long-term effects? Anna Magee reports ...

Blood type’s influence extends far beyond compatibility for blood donations, affecting the body through multiple biological ...

James Antaki has worked for over 30 years on a device to help infants with holes in their hearts and other defects. Now it’s ...

BIDMC has found that reducing sodium or following a heart healthy diet lowers the 10-year risk of heart disease in adults with high blood pressure. Read more.

A growing body of research suggests that plastics (such as the takeout container kind) and chemicals used to create them, ...

As the NHL playoffs heat up and three Canadian teams chase the Stanley Cup, fans across the country are riding an emotional ...

Thalassemia is an inherited blood disorder that affects hemoglobin production and often requires regular transfusions.