February 2026

Why Nutrition Is the Most Important Controllable Factor for Health and Longevity

Why Nutrition Is the Most Important Controllable Factor for Health and Longevity

Lifestyle/environment ~70%, Genetics ~20–25%, Medical Interventions ~5–10% When scientists talk about health and longevity, there’s a framework that comes up again and again. Roughly speaking: These numbers aren’t meant to be perfectly precise. They are directional. But the direction is very clear. What we eat matters more than almost anything else we can control. The

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