What Is The Best Diet For Longevity?
When it comes to living a long and healthy life, few topics generate more debate than diet. From the Mediterranean diet to keto, veganism to carnivore, the diversity of dietary philosophies can be overwhelming. But what does the science actually say about diet and longevity? The reality is both simpler and more nuanced than many realize. Let’s break it down clearly, accurately, and practically. 1. The Core Metric: Body Composition Over Diet Labels Scientific analysis suggests that maintaining a healthy body weight and muscle mass is the single most important dietary factor in longevity. Whether someone follows a vegan or carnivore diet, the real question is: What is their body composition? Being significantly overweight, especially with excess visceral fat, is associated with a markedly shorter lifespan. A person who weighs 350 lbs at 5'7", regardless of diet label, is likely to have significantly reduced longevity. Comparatively, two people at healthy weights but on differe...