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Fat-Burning Foods: New Science Shows What to Eat For A Fast Metabolism - Dr. William Li

Feb 27, 2026
Guest
William W. Li
Dr. William Li, physician, researcher, and bestselling author who studies how food influences health. He explores myths about a midlife metabolic crash and explains four metabolic life phases. He reframes fat’s role, shows how excess fat—not age—drags metabolism down, and names three surprising fat-burning foods: coffee, beans, and tomatoes.
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ANECDOTE

Wet Market Seafood Changed His Perspective

  • William W. Li describes Hong Kong wet markets where diners pick live fish from tanks to bring to restaurants.
  • He uses this to illustrate that unfamiliar foods (seafood) are often dismissed but can be delightful if tried right.
INSIGHT

Four Hardwired Phases Of Human Metabolism

  • Human metabolism follows four hardwired phases: rapid rise 0–1, decline 1–20, stable 20–60, small decline 60–90.
  • Researchers corrected for excess body fat across 6,000 people in 20 countries to reveal these lifespan patterns.
INSIGHT

Excess Fat Slows Your Operating System

  • Excess body fat slows metabolism rather than slow metabolism causing fat gain.
  • Adding body fat to the lifespan data 'squashed' the metabolism pattern discovered by researchers.
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