In this episode of the Nutrition and Life podcast, host Lisa Franz interviews Dr. Bill Campbell, an exercise science professor who shifted from a marketing career to focus on exercise science and nutrition. Campbell runs the Performance and Physique Enhancement Lab, aiming to help people optimize their physiques sustainably. They discuss his 18-month high-carb experiment which challenged the belief that carbs impede weight loss. He also explains his research service summarizing articles for coaches and fitness professionals.

Bill touches on his approach to dieting, including refeed days and diet breaks, which incorporate psychological benefits and muscle preservation during weight loss. They delve into strategies for rapid fat loss necessary for specific situations like competitive bodybuilding.

Bill mentions his Physique Coaching Academy, a collaboration with Lane Norton, covering resistance training, nutrition, and more. His research includes studies on sleep's impact on fat loss, protein importance, caffeine's role, and hormone responses in women.

Furthermore, Bill discusses his personal case study on weight loss and the importance of protein intake for muscle preservation. He highlights using refeed days strategically and the potential of rapid weight loss methods when applied briefly. Bill Campbell emphasizes the importance of staying current with research and understanding clients' needs to be a successful coach.