Skip to main content

How Caffeine Works


7,302 Questions Answered

Best of Web

Let’s Begin…

How does caffeine turn a morning zombie into a functioning member of society? This lesson will get you thinking about the science behind an everyday drug.

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

More from Getting Under Our Skin