O-type blood woman old fast this statement is no scientific basis, aging and genetic, living habits, economic conditions, medical level and many other factors related to aging and longevity of the population can be distributed in any blood type population. In the clinical blood type is divided into four types: A, B, O and AB, and according to statistics, O-type blood is the most numerous. In an emergency, O blood can be transfused in small amounts to patients with any other blood type. There is no necessary connection between blood type and aging or longevity, and aging and longevity populations can be distributed among any blood type population. Aging occurs naturally, but it is closely related to one’s own genes, economic conditions, living habits and other factors. People who often maintain good living habits, healthy diet, regular exercise, good economic conditions and pay attention to maintenance will delay aging. Therefore, it is best to maintain good living habits, positive and healthy emotions, work hard, and create good economic conditions, all of which help to slow down aging.