How Walnuts Affect the Brain Could Help You Resist Chocolate Cake

One of the tenets of science is learning the mechanism of how something works and helps with knowing it does work. Walnuts are recommended for helping to control weight and blood sugar levels. A new study shows exactly how walnuts work.

Small parts of the brain, called the left and right insula, is a section of the cerebral cortex and is located at the base of the Sylvian fissure. The insula is involved in the processing and control of…


  • emotions,
  • memory,
  • taste, and the

craving for food among other things.


It was found people who had damage to their insula were able to stop smoking. Now scientists at Beth Israel Deaconess Medical Center, Boston, MA, United States, have found a connection between eating walnuts and the right insula.

In July of 2017, the journal Diabetes Obesity and Metabolism reported on a study of ten participants. Some of these participants were given a smoothie with walnuts while others consumed a smoothie without eating any nuts. Magnetic resonance imaging took images of the brain of each participant. The people who were given walnuts to eat not only reduced their appetite but showed differences in their right insula. The way these nuts work on a person’s appetite is apparently due to an ability to make changes in the brain.

One ounce, or 28 grams, of walnuts, has 185 calories. That is the bad news. The good news is the same ounce provides the following nutrients, written as percents of your daily needs, based on a 2000 calorie per day diet.

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