Poor eyesight (myopia) is associated with higher IQ.
232
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Your ears secrete more earwax when you are afraid than when you aren't.
229
Pain travels through the body at 350 feet per second!
23
Your tongue is the only muscle in your body that is attached at only one end.
173