Dr. Courtney Peterson
Nutrition science researcher in circadian metabolism
Intermittent fasting • time-restricted eating • circadian metabolism
About the expert
Focus: Time-restricted eating and circadian biology in humans
Courtney Peterson is a researcher in nutrition science and circadian metabolism at Harvard University. Her lab has conducted some of the first randomized controlled trials in humans on time-restricted eating, including rigorous metabolic-ward studies.
Why this matters
Academic researcher focused on circadian metabolism and human trials of intermittent fasting; tends to view meal timing as a core, accessible lever for metabolic health. Strongest on rigorous human-trial evidence and cautious about overhyping fasting, while open that the time-of-day and lifespan questions are still unresolved.