When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
The average sperm cell swims at 8 inches per hour.
76
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
About 400 different kinds of microbes live on and in the human body.
-3
In Japan, condoms are commonly sold 'door to door'!
54