Aging

2 articles tagged with Aging

Your Metabolism Doesn't Slow at 40—It Slows at 60 (New Research)

A landmark 2021 Science study of 6,600 people proves metabolism stays stable from age 20 to 60. Middle-age weight gain is real—but the cause isn't what you think. Here's the actual science.

March 24, 2026

14 min

BMI & Body Metrics

Metabolic Age: The Number That Actually Tells You How Old Your Body Is

Metabolic age claims to reveal how "old" your body truly is. See how it's calculated, what it really means, and how to use it to lose fat, boost energy, and dodge early death—based on the latest science.

November 14, 2025

12 min