Does Your Blood Type Affect How Slowly You Age? What Science Really Says

such as ABO blood type.

Does Type O Make You Age More Slowly?

Type O is sometimes identified in viral posts as the supposed “slow-aging” blood type.

There is not enough evidence to conclude that having type O blood causes slower overall aging.

Different ABO groups have been investigated in relation to cardiovascular disease, blood clotting, infections, and other health outcomes. Some associations appear biologically plausible because ABO blood group can be related to differences in certain proteins involved in clotting and other physiological processes.

But these findings should not be converted into the claim that one blood type is