Human teeth are almost as hard as rocks!
47
Kissing an infection-free partner is good for your teeth!
141
Medical research has found substances in mistletoe that can slow down tumor growth.
32
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
You can alleviate a tickly throat by scratching your ear.
9