By 
Sara Garofalo
 | 
TED-Ed Original

How do drugs affect the brain?

Most people will take a pill receive an injection or otherwise take some kind of medicine during their lives. But most of us don't know anything about how these substances actually work. How can various compounds impact the way we physically feel think and even behave? Sara Garofalo explains how some drugs can alter the communication between cells in the brain.

Related tags:

TED is supported by ads and partners

Watch next