Redheads require up to 20% more anesthesia to be knocked out.
112
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The whiter your tongue, the more germs there are on it.
88
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
In the average lifetime a person will breath in about 44 pounds of dust.
21
About 400 different kinds of microbes live on and in the human body.
-3
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22