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Flex Diet Podcast
Episode 239: Exploring the Science Behind Dieting Strategies with Dr. Bill Campbell
Nov 28, 2023
Dr. Bill Campbell and Dr. Mike T. Nelson discuss the science behind dieting strategies, exploring topics such as diet breaks and refeeds, their impact on muscle hypertrophy, performance, and body composition. They debunk misconceptions, analyze studies including the Matador study, and explore the effects of diet breaks on weight loss and muscle retention. They also discuss challenges of traditional dieting strategies, protein intake, glycemic load, breath analysis, and programs for fat loss and physique enhancement.
01:06:59
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Quick takeaways
- Diet breaks and refeeds may not result in significantly greater fat loss or muscle retention in resistance-trained individuals, but they have positive impacts on psychological factors.
- The distribution of macronutrients in a caloric surplus should be tailored to individual goals, exercise habits, and metabolic health.
Deep dives
Diet Breaks vs. Refeeds: Exploring the Physiological and Psychological Effects
In this podcast episode, Dr. Bill Campbell discusses the concept of diet breaks and refeeds. He explains the difference between the two and highlights the importance of addressing both the physiological and psychological effects separately. Dr. Campbell refers to studies conducted in resistance-trained individuals, including one he conducted with resistance-trained females. The findings show that diet breaks do not result in significantly greater fat loss or muscle retention compared to continuous dieting. However, they do have a positive impact on psychological factors such as perceptions of hunger and disinhibition. While diet breaks may not offer advantages in a relatively short-term dieting period, they could be more beneficial for bodybuilders and individuals on longer, more aggressive dieting protocols. It is important to consider individual context and preferences when implementing diet breaks and refeeds.
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