Junk Food and the Cycle of Overeating | The Truth About Fat

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
WGBH GBH NOVA The Truth About Fat agriculture brain scan carbohydrate dopamine dopamine receptors energy evolution fat feedback junk food obesity obesogenic positive feedback loop reinforcing feedback reward system rewarding foods sugar weight willpower Junk Food and the Cycle of Overeating overeating food habits processed foods feedback loop
Subjects
Science
Grade Levels
Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Junk Food and the Cycle of Overeating | The Truth About Fat

Learn how highly processed foods trigger the brain’s reward system and can contribute to a cycle of overeating in this video from NOVA: The Truth About Fat. Use this resource to present the phenomenon of obesity from a biological perspective and provide an example of a feedback loop in the body.
Publisher
PBS Learning Media

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