Here's What Sugar Really Does to Your Br...
Here's What Sugar Really Does to Your Brain, According to a Neuroscience Expert When you repeatedly activate that reward system, your brain adapts and actually rewires itself, and you crave more and more. And research on rats turned up this finding: When they were fed high-sugar diets, the rats’ brains released less of a certain chemical that helps bodies put on the brakes, so they were less able to stop eating it.