Last week, I reported that scientists are working their way toward a consensus that sugar is addictive. While some researchers are still hesitant to liken sweet stuff to drugs or alcohol, the evidence is accumulating to explain why some of us really struggle to resist or moderate our sugar intake. (I count myself among them.)
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Avena has also just put out a clever TED-Ed video with colorful visuals to help explain the details of just why sugar makes our brains go bonkers.
As the video shows, the key player in the reward system of our brain — where we get that feeling of pleasure — is dopamine. Dopamine receptors are all over our brain. And doing a drug like heroin brings on a deluge of dopamine.
Guess what happens when we eat sugar? Yes, those dopamine levels also surge — though not nearly as much as they do with heroin.
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