Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
The whiter your tongue, the more germs there are on it.
88
By weight, Bone is five times stronger than steel.
417
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
The human brain doesn't stop developing until about 25 years old.
102
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
Your skeleton keeps growing until you are about 35, then you start to shrink.
74