Scientists have found a link between blood type A and a higher risk of stomach cancer. This connection appears over time. Blood group antigens on stomach cells may play a role. They can affect how the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ever wondered why that one friend gets the stomach flu almost every year, while the rest of your friends ...

Blood usually falls into a few widely recognized categories or types, based on the proteins that are expressed on the surface of red blood cells. For example, A or B antigens may be present there, ...

Ever wondered why that one friend gets the stomach flu almost every year, while the rest of your friends are totally fine? Or why your partner never seems to contract the illness, even when you do?

Researchers at Mass General Brigham and Albert Einstein College of Medicine tracked more than 23,000 people and identified ...