Blood: It is a fluid that transmits nutrition, and oxygen through the heart to other body parts and carries out carbon dioxide and other waste products.
According to a study, those who have the ABO gene, which is found in those with blood types A, B, and AB, are more likely to suffer a heart attack than those who do not.
The ABO gene is linked to brain function and memory loss.
According to the same study, those with the aforementioned blood type are more likely to have memory and cognition impairments.