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Barbell Medicine Podcast
Episode #246: How We Choose What To Eat w/ Dr. Guyunet
Oct 25, 2023
Dr. Guyenet, an expert in appetite, hunger, and eating behaviors, joins Dr. Feigenbaum to discuss the neurobiology of hunger and cravings, the impact of the food environment on food choices and obesity, challenges of policy changes, unveiling the scope of nutrition misinformation, and the differences between reference-based science and evidence-based science.
01:09:49
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Quick takeaways
- Eating behaviors are largely influenced by habits and hunger, impacting both the amount and type of food consumed.
- The food environment plays a vital role in shaping eating behaviors and the prevalence of obesity.
Deep dives
The Role of Habits in Eating Behavior
Eating behaviors are largely influenced by habits, where people tend to eat at specific times and select foods based on their preferences and habitual choices. Hunger plays a crucial role in the selection process, as it impacts both the amount and type of food consumed. Hunger is the brain's perception of an energy deficit, driving individuals to seek calorie-dense foods to satisfy their perceived need for energy. While conscious control over hunger is limited, individuals can choose to ignore hunger temporarily, but long-term resistance becomes challenging due to the persuasive nature of survival signals. Thus, habits and non-conscious reward loops significantly shape eating behaviors.
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