One out of 20 people have an extra rib.
66
The human brain is insensitive to pain.
76
More people have a phobia of frogs than rats.
41
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
It takes about 20 seconds for a red blood cell to circle the whole body.
102
You can alleviate a tickly throat by scratching your ear.
9
Vicks inhalers can cause you to test positive for Meth on drug tests.
41
The human body contains over a billion miles of DNA.
147