
The Exam Room by the Physicians Committee How To Stop Eating Like Trash and Feel Better | Dr. Neal Barnard
Sep 11, 2025
Dr. Neal Barnard, a physician and founder of the Physicians Committee, shares his insights on breaking the junk food cycle. He explains why high-calorie diets can still leave us fatigued and reveals the impact of fats on energy levels. Neal outlines a simple plant-based diet as the healthiest way to eat clean and discusses practical strategies for managing cravings. He emphasizes the psychological and physical addiction of junk food while suggesting natural, non-caloric ways to boost dopamine. If you're ready to change your relationship with food, this talk is a must-listen!
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Dopamine Gene Drives Overeating
- About 49% of people in a diabetes study had a gene causing fewer dopamine receptors, making normal rewards less satisfying.
- That genetic difference pushes some individuals to overeat, smoke, drink, or gamble to raise dopamine levels.
Pair Carbs With Protein For Stable Energy
- Balance carbohydrates with protein to prevent sugar-driven serotonin sleepiness after meals.
- Choose mixed plant foods like beans, grains, fruits, and vegetables for steadier energy throughout the day.
Fat Raises Blood Viscosity And Tiredness
- High dietary fat increases blood viscosity, reducing oxygen delivery to brain and muscles.
- That thicker blood can cause afternoon sleepiness and impaired athletic performance.

