A Breast Cancer Study Debunked a Huge Weight Loss Myth | Glow Up Advice from a Metabolism Scientist

A breast cancer researcher uncovered one of the most effective ways to lose weight — and it has nothing to do with eating less. Dr. Sarah Purcell, a Tier 2 Canada Research Chair metabolism scientist, breaks down the hormone and energy science behind body composition, why your menstrual cycle affects how your body responds to exercise, and what nobody really tells you about weight loss.