Chasing Clarity: Health & Fitness Podcast EP. 88: THE DOWNSIDES OF CHRONIC UNDERFUELING & FREQUENT DIETING CYCLES
Dec 15, 2023
A deep dive into the harms of chronic underfueling and nonstop dieting cycles. Covers how persistent calorie restriction wrecks metabolism, thyroid function, and muscle-building potential. Talks about performance losses, hormonal and reproductive consequences, and why sometimes eating more is the smart move. Highlights prevalence, research findings, and when maintenance fueling is wiser than another cut.
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Metabolism Adapts To Repeated Diets
- Dieting is a stressor and the body adapts by down-regulating metabolism and energy expenditure.
- Over time consecutive diets require ever-lower calories or more exercise to produce the same results.
Fuel Training, Especially Around Workouts
- Fuel training and recovery by prioritizing adequate calories, especially around workouts.
- Avoid aggressive calorie cuts; match nutrition to training demands to preserve performance and muscle.
Loss Of Cycle Lowers Metabolic Rate
- Women with diet-induced amenorrhea show a 9–12% lower metabolic rate even after adjusting for lean mass.
- Menstrual function itself is energetically costly and its loss conserves calories via metabolic suppression.