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Frank Hu

Epidemiologist, Harvard
ScienceWorld
Longevity
Last updated: 7 October 2026

At a glance

  • Frank Hu is a Chinese-American nutrition and diabetes researcher. He chairs the Department of Nutrition at the Harvard T.H. Chan School of Public Health and is a professor at Harvard Medical School.
  • He uses large, long-running cohorts such as the Nurses’ Health Study and the Health Professionals Follow-up Study to examine how diet and lifestyle relate to diabetes, cardiovascular disease and mortality.
  • A well-known analysis (Circulation, 2018) showed that Americans with five healthy habits — not smoking, healthy weight, enough exercise, moderate alcohol and a healthy diet — had a life expectancy at age 50 more than ten years longer.
  • He has published widely on red and processed meat, sugary drinks, whole grains and plant-based eating patterns.
  • He served on the advisory committee for the 2015 US Dietary Guidelines and wrote the textbook Obesity Epidemiology.
  • For longevity, his work shows how much can be gained from ordinary lifestyle choices that add up.
  • Takeaway: don’t chase one superfood; focus on an overall pattern of healthy habits you can keep for years.

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