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How sugar affects the brain - Nicole Avena

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TEDEd Animation

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When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.

Sugars are ________________ processed foods such as tomato sauce, dried fruit, and granola bars.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Nicole Avena
  • Director Chris Boyle
  • Composer Michael Dow
  • Narrator Michelle Snow

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