Can Your Blood Type Affect How Long You Live? What Scientists Are Discovering About Longevity

Knowing your blood type is certainly useful for medical purposes—especially in emergencies or when planning surgeries—but it shouldn’t be seen as a predictor of lifespan. What matters most are the choices you make every day.

Experts recommend focusing on time-tested strategies that promote healthy aging:

  • Eat a balanced diet. Prioritize whole foods, fruits, vegetables, lean proteins, and healthy fats.
  • Stay active. Aim for regular movement—whether that’s walking, gardening, swimming, or any activity that keeps your body flexible and strong.
  • Avoid tobacco and limit alcohol. These habits remain some of the strongest predictors of long-term health.
  • Manage blood pressure and cholesterol. Regular checkups and preventive care can catch small problems before they become serious.
  • Maintain social and emotional wellness. Connection, purpose, and joy play a surprisingly large role in how long—and how happily—we live.

These habits have been shown time and again to support heart health, protect the brain, and strengthen the immune system—benefits that far outweigh any small differences tied to blood type.

The Bottom Line

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