Sigma Nutrition Radio
Fasting for Health: What Do We Know? (SNP34)
Oct 29, 2024
Professor Leonie Heilbronn, a researcher at the University of Adelaide, dives into the science behind fasting and its potential health benefits. She discusses the historical context and evolution of fasting research, clarifying its definitions. Insights into metabolic markers, energy expenditure, and the impact of time-restricted eating are explored. Heilbronn also questions whether fasting offers unique advantages beyond calorie reduction while examining its effects on appetite regulation and health outcomes. It's a fascinating look at fasting's role in modern diets.
21:04
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Quick takeaways
- Fasting's physiological effects depend on clearly defining what constitutes a fasted state, as misconceptions can lead to ambiguities in claims.
- Although animal studies show potential longevity benefits of fasting, translating these findings to humans poses significant challenges in research.
Deep dives
Understanding Fasting Definitions
Fasting can be defined in various ways, which is crucial for understanding its physiological effects. Professor James Betts emphasizes the importance of identifying whether an individual is in a truly fasted state, rather than simply counting calories or hours without food. This distinction is essential because many claims about the benefits of fasting are often based on differing definitions, leading to confusion in discussions about its effects. Having clear definitions helps in evaluating fasting studies accurately and ensures that everyone is discussing the same physiological state.
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