Tanya Halliday, PhD, RD is an Assistant Professor in the Department of Health, Kinesiology, and Recreation at the University of Utah. Her research focuses on appetite and food-intake regulation in response to lifestyle interventions such as dietary restriction and exercise. Currently, she is investigating how type of exercise (e.g., aerobic vs resistance) influences hormonal and behavior indices of appetite regulation, and mechanisms underlying response variation in body mass regulation with exercise. Another current area of research focus is on development of effective weight loss maintenance strategies. Dr. Halliday is also examining how sex as a biological variable, may influence the appetitive responses to energy deficits elicited through both increased exercise energy expenditure and caloric restriction.

She received her PhD in Clinical Physiology and Metabolism from Virginia Tech in 2016, where her research focused on exercise and dietary interventions for the prevention and treatment of obesity and related cardiometabolic conditions. She is also a Registered Dietitian, having completed her BS in Dietetics in 2010 at the University of Wyoming, and her Dietetic Internship through the University of Houston in 2011.

We have a conversation about the change in obesity rates over the last 50-60 years and what the current epidemiology states regarding the impact on populations and general health.

We discuss traditional energy balance teachings and whether a “calorie is a calorie” as it relates to weight loss.

Professor Halliday discusses GLP-1 medications, what problems they meant to solve and for which candidates and explains the side effects.

We talk about the efficacy of exercise for improved health and weight loss and whether wearable technology can assist health outcomes.

Tanya Halliday, PhD, RD
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