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Some scientific studies suggest that blood type may influence longevity, with particular attention given to individuals who have type O blood. Researchers examining populations of centenarians have noticed that this group appears more frequently among people who live to 100 years or older compared to other blood types.
Scientists believe the explanation may be linked to lower risks of certain health conditions. People with type O blood have been associated in several studies with reduced chances of cardiovascular disease and blood clotting problems, both major factors affecting lifespan. Better circulation and lower inflammation levels could contribute to healthier aging over time.
However, experts emphasize that blood type alone does not determine how long someone will live. Lifestyle choices such as balanced nutrition, regular physical activity, stress management, and avoiding smoking remain far more important. Genetics, environment, and access to healthcare also play significant roles.
Researchers continue exploring how biological markers influence aging, but the findings mainly highlight probability rather than certainty. Having a specific blood type may offer a small advantage, yet daily habits and overall health care are still the strongest predictors of longevity.
