Could your blood type be determining how fast you age? What studies reveal will surprise you.

Although we often think aging depends mainly on genetics and lifestyle, recent research suggests that blood type may also play a role. Preliminary studies indicate that people with type O blood may have certain advantages: a lower risk of cardiovascular disease, some types of cancer, and more efficient coagulation, which can support better circulation and tissue oxygenation over time.

In contrast, those with blood types A, B, or AB may face slightly greater challenges, such as a higher tendency toward chronic inflammation, elevated blood pressure, and certain age-related neurological issues. Researchers have also observed differences in how each blood type handles oxidative stress—one of the key drivers of cellular aging—and in the way the immune system functions.

Even so, experts agree on one point: no blood type determines anyone’s destiny. The true key to healthy aging remains the same—eating well, staying active, getting good rest, and managing stress effectively.