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Courtney Peterson, PhD (she/her/hers)

Associate Professor
University of Alabama Birmingham
Birmingham, Alabama, United States

Dr. Courtney Peterson is an Associate Professor in Nutrition Sciences at the University of Alabama at Birmingham and an internationally-recognized researcher in the field of intermittent fasting and meal timing. Dr. Peterson conducted the first controlled feeding trial of intermittent fasting in humans and was the first to test early time-restricted eating (eTRE) in humans. Her research has shown that TRE induces weight loss, alters hunger, improves glycemic control, lowers blood pressure, decreases oxidative stress, activates anti-aging pathways, increases autophagy, and increases metabolic flexibility but does not increase energy expenditure, and that many of these effects are independent of weight loss. Currently, she is the PI, MPI, or site PI of seven clinical trials on time-restricted eating, including a couple of the largest studies of intermittent fasting in humans. She is also a consultant or collaborator on another five clinical trials on intermittent fasting. Her research has been featured in more than 50 media outlets, including NBC Nightly News, The New York Times, The Washington Post, Wall Street Journal, Good Morning America, and the BBC.

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