Just like the arm band

I saw this thing and I thought about the arm band that we were shown on the first or second day of class. You can just point it at your skin and it will tell you if you're healthy. The scanner itself is very small and if you only have to use it once a day, probably not that big of a deal if you're worried about being healthy right?

http://gizmodo.com/#!5762119/this-star-trek+style-scanner-tells-if-youre-healthy-or-not