Food Junkie

The emerging science of addictive overeating

How Sugar Affects the Brain

An animated video

We often hear about how sugar affects our waistlines, but how does it affect our brain? Could its effect on our brain reward systems prompt us to continue to eat sugary foods and drinks? Watch the animated video below to see how sugar affects the taste receptors on your tongue, the sweet receptors in your gut, and dopamine in your brain.

This new video, created with the talented people at TedEd, begins by defining sugar and showing how to recognize it—in its many forms—on nutrition labels. Next, it moves on to describe how sugar interacts with the body. Most importantly, this video will help to explain why we are more likely to want another cookie and less likely to eat too much broccoli. 

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Nicole Avena, Ph.D. is a research neuroscientist and an expert in the fields of nutrition, diet and addiction.

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