See the full lesson: http://ed.ted.com/lessons/how-do-drugs-affect-the-brain-sara-garofalo

Most people will take a pill, receive an injection, or take a medication in their lifetime. But most of us know nothing about how these substances actually work. How can various compounds impact the way we physically feel, think, and even behave? Sara Garofalo explains how certain medications can impair communication between brain cells.

Lesson by Sara Garofalo, produced by Adriatic Animation.

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