20%

Your teeth. Useful for chewing and smiling. But to which medical professional would you go to get them checked?

Fact Lab

Interesting fact:

If you could take a look back at your life, you’ll find you’re likely to have spend around 38 days brushing your teeth! That’s how long the average American spends brushing their nashers. Of course, it would be a boring 36 days watching yourself brush your teeth. You might as well just tune into the next series of Big Brother.