The promise seems almost too good to be true: simply eat according to your blood type and unlock the secret to perfect health, effortless weight loss, and boundless energy. This seductive concept has ...

Dr. Karl Landsteiner won the Nobel prize in 1930 for developing the ABO blood group system. The ABO system is the best known method of classifying blood types. It’s important to know your blood type ...

Medical emergencies strike without warning. Whether it’s a car accident, severe allergic reaction, or unexpected surgery, having family and friends who know your blood type can significantly impact ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Blood – everyone's got it. In fact, an adult who weighs between 150 and 180 pounds has around 1.2 to 1.5 gallons of blood in their body. This makes up approximately 10% of an adult’s weight. Blood ...