The Neuroscience of Overeating Explained (ft. Dr. Stephan Guyenet)

Expert in-depth interview with Dr. Stephan Guyenet on the neuroscience of overeating, the role of the brain in body fat regulation, obesity, and the effects of the modern food environment on our health.

In this video, you'll learn about overeating and the neuroscience behind why we eat so much. The featured guest is Dr. Stephan Guyenet, author of The Hungry Brain.

Get your copy of Stephan's book at (Highly Recommended)

And make sure to follow Stephan's work at and his Twitter:

In the video you'll learn about:
– The role of the modern food environment on overeating
– How genetics influence fat gain
– Why do we eat so much food even after we're full
– Dealing with food cravings
– What to eat if you wanted to get very fat as fast as possible 🙂
– How to get the brain on your side on a diet
– Effects of sleep on food choices

and much more!

Stephan Guyenet is the author of the book The Hungry Brain: Outsmarting the Instincts That Make Us Overeat. He holds a Ph.D. in neuroscience from the University of Washington, and his publications in scientific journals have been cited over 1400 times. He is one of the world's leading obesity researchers.

I've been following Stephan's work for several years, and it has significantly improved my understanding of body fat regulation as it relates to evolutionary biology and the role of the brain in fat loss.

The main topic of this discussion is why do we overeat in the modern food environment, what could explain the sudden increase in body fatness and what are the practical, evidence-based recommendations for regulating our body fat.

We started off by explaining one of the things that most people misunderstand, and that is how different people respond differently to gaining weight while we're all in a very similar environment.

Some people are simply more prone to weight gain given the same caloric increase while others will “burn off” the calories through increases in NEAT. And the difference could be explained by looking at genetics and studies on identical twins. This has been well established in research by Dr. Claude Bouchard.

Now, some people might be wondering, why not force yourself to eat less and move more? Wouldn't that lead to fat loss? And it certainly does, the energy balance equation holds. If you're looking to maximize fat loss, you need to enter a state of a caloric deficit.

And we know that conscious effort is very effective in the short-term for controlling food intake while dieting.

Now, the issue is that conscious effort is a finite resource. And it's very vulnerable not only to mental fatigue but also to sleep deprivation and stress.

For most people fighting against their own body with will-power is not a very sustainable approach for body fat management.

Knowing that these adaptations are regulated by the brain, we discussed what impact different food choices have on how strongly your body fights back to regain weight.

For those not familiar with the body fat set point theory, it's well established in the research that there's a certain level of body fat the body will defend, and it protects that level much stronger when we try to reduce body fat compared to preventing excess fat gain.

In the interview, we went over the potential use of blander diets and changes in the food environment that can help reduce hunger, food cravings and those adaptations with which the body is fighting fat loss.

Additionally, we've discussed the concept of non-homeostatic eating that is one of the primary ways our caloric consumption has increased in the last few decades. In a nutshell, non-homeostatic eating is consuming food for reasons other than hunger. (e.g. pleasure, social situations).

Lastly, Stephan shared practical tips for individuals looking to improve their food environment based on his experience and research.

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Enjoy the interview!

Talk soon,

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