type is medically irrelevant.
ABO and Rh blood groups are extremely important in transfusion medicine, pregnancy care, and certain other clinical situations.
Research has also identified associations between ABO blood groups and certain diseases or biological characteristics.
However, these relationships are condition-specific. They do not establish an overall ranking in which one blood type is “best,” healthiest, or slowest-aging.
Can You Change Your Blood Type Through Diet?
Ordinary dietary or lifestyle changes do not change an individual’s genetically determined ABO blood group.
Popular “blood type diets” have suggested that people
