Does Your Blood Type Affect How Fast You Age? New Research Says Yes

When we talk about aging, we often think of gray hair, fine lines, or aching joints. But true aging starts at the cellular level—where our DNA weakens, our immune system loses its edge, and our cells struggle to repair themselves.

Recent studies show that people with blood type O tend to have lower levels of inflammation in their bodies. Specifically, scientists have observed lower amounts of interleukin-6 (IL-6) and C-reactive protein (CRP)—both key markers of chronic inflammation and oxidative stress.

Why does this matter? Because inflammation is one of the primary drivers of aging. When it’s high, your body begins to break down faster—organs, skin, memory, and all.

But when inflammation is low? The aging process can slow down, leaving your body healthier, stronger, and more resilient over time.

Blood Type O: A Natural Defense Against Aging?

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