Interview #28: Obesity, Weight Loss and Why We Eat Too Much (With Andrew Jenkinson)
Dec 10, 2021
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Andrew Jenkinson, author and bariatric surgeon, challenges mainstream views on obesity crisis and discusses the 'body set-point' hypothesis. He explores improving diet and lifestyle, psychological hurdles with weight loss, and the potential of government policies to enhance public health.
The weight set point hypothesis explains why simple caloric restriction and exercise do not lead to long-term weight loss.
Focusing on the quality of food, reducing sugar and refined carbohydrate consumption, and improving insulin and omega-3 to omega-6 ratios can be more effective for weight loss than calorie counting and low-fat diets.
Deep dives
Understanding the Weight Set Point Hypothesis
The podcast episode discusses the weight set point hypothesis, which explains why simple caloric restriction and exercise do not lead to long-term weight loss. The weight set point theory suggests that our bodies defend a certain weight, and attempting to go below this weight triggers metabolic adaptations that make it difficult to maintain weight loss. Obese individuals often experience leptin resistance, wherein the brain fails to recognize high levels of leptin, a hormone produced by fat cells. This resistance leads to persistent hunger and binge eating. The episode emphasizes that obesity is not solely a result of lack of willpower or discipline, but rather a complex interplay of metabolic factors and the food environment.
Challenging the Mainstream Understanding of Obesity
The podcast delves into the limitations of mainstream understanding of obesity, particularly the focus on calorie counting and low-fat diets. It highlights the role of hormonal factors, such as insulin and leptin, in regulating weight. The episode argues that cutting calories and reducing fat intake may not be the most effective approaches to weight loss. Instead, it suggests focusing on the quality of food, reducing sugar and refined carbohydrate consumption, and improving insulin and omega-3 to omega-6 ratios. The discussion challenges common misconceptions and emphasizes the importance of personalized, principle-based approaches to weight management.
Practical Steps for Weight Management
The podcast provides practical advice for weight management based on the principles outlined in the episode. The suggested steps include reducing sugar and refined carbohydrate intake, engaging in regular exercise that includes both aerobic and muscular components, managing stress levels, improving sleep quality, and prioritizing whole, unprocessed foods. The episode emphasizes the importance of making sustainable lifestyle changes rather than relying on strict diets or calorie counting. It promotes a holistic approach that encompasses both physical and psychological well-being.
Societal Considerations and Policy Recommendations
The episode concludes with a discussion of broader societal considerations and potential policy recommendations. It suggests that governments should focus on understanding and addressing the quality of food available to the population, as opposed to placing blame on individuals. Policy proposals include implementing taxes on processed and unhealthy foods, using the revenue to make healthier options more affordable, and launching public education campaigns to promote cooking, healthy food culture, and a better understanding of metabolic health. The episode highlights the need for a comprehensive approach to tackling obesity at both individual and societal levels.
Today on the podcast Alex chats with Andrew Jenkinson, author of the book: Why We Eat (Too Much): The New Science of Appetite.
Andrew is a consultant bariatric and general surgeon at University College London. He is a member of the British Obesity and Metabolic Surgery Society, the International Federation of Surgery for Obesity, the Association of Upper GI Surgeons and the American Society for Metabolic and Bariatric Surgery.
In the podcast they discuss: - The problems with the mainstream views on the obesity crisis - How modern diets lead to obesity, including the "body set-point" hypothesis - Principles of improving one's diet and lifestyle in order to lose weight and improve health - Psychological issues with weight loss - How government policy could be used to improve public health
You can find Andrew's book here: https://www.audible.co.uk/pd/Why-We-Eat-Too-Much-Audiobook/0241450284?ref=a_author_An_c9_lProduct_1_1&pf_rd_p=af5062e9-57de-425c-9e02-6d8ad006b9aa&pf_rd_r=3F4R8TY0SKVFRHZE7QY8
Interviewed by Dr. Alex Curmi
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