Skip to main content

23 and 1/2 hours

6,786,405 Views

8,198 Questions Answered

Best of Web

Let’s Begin…

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

How long do you need to be active in order to see a positive effect on your health?

Login 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