After 50 years, scientists discover the MAL blood grouping system, solving a genetic mystery and improving transfusion safety ...

Stomach Ulcers: While blood type O might get an advantage in terms of heart health, it is not all smooth sailing. People with this blood group are more likely to suffer from stomach ulcers.

What blood type are you? That question usually results in a response of A, B, AB or O. Then maybe a positive or negative, also called the rhesus factor. However, researchers have now identified ...

Patients with blood group O had the lowest age-adjusted incidence rate for pancreatic cancer. Other risk factors such as age, smoking status, BMI and physical activity were not significantly ...