Skip to main content

23 and 1/2 hours

6,853,790 Views

8,569 Questions Answered

Best of Web

Let’s Begin…

What is the single best thing we can do for our health?

What is the medicine discussed in 23 1/2 hours?

Sign in to answer question

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