Barbell Medicine Podcast
Episode #312: Cortisol Overview and Dieting's Effects
Sep 20, 2024
Dr. Feigenbaum, a leading expert on cortisol and dieting, dives deep into the complex relationship between cortisol levels and weight management. He explains how cortisol functions in the body, particularly during stress and dieting. The conversation highlights the effects of fasting and calorie deficits on cortisol, and how these fluctuations can impact weight loss efforts. Dr. Feigenbaum also discusses the link between cortisol and abdominal fat, revealing insights into pre-surgery cortisol levels and their implications for weight regain after metabolic surgery.
16:26
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Quick takeaways
- Cortisol, a critical hormone produced in the adrenal gland, regulates stress responses and energy management during calorie deficits.
- The relationship between cortisol levels and weight management outcomes is complex, showing individual variances rather than a direct correlation.
Deep dives
Understanding Cortisol and Its Functions
Cortisol is a steroid hormone produced primarily in the adrenal gland, and it plays a critical role in the body’s response to stress. It aids in various functions, including regulating blood pressure, inflammation, and immune system activity. The adrenal gland consists of distinct layers, with cortisol being produced in the zona fasciculata, which is essential for managing energy, particularly during stressful situations. Increased cortisol levels provide energy by signaling the liver, muscles, and fat tissues to release stored carbohydrates, break down fats, and mobilize proteins for use.
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