About 400 different kinds of microbes live on and in the human body.
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Men have larger hearts; women's hearts beat faster.
77
There are more bacteria in your mouth than there are people in the world.
60
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
In Japan, condoms are commonly sold 'door to door'!
54
Your heart pumps about 2,000 gallons of blood each day!
53
Tap water in Canada is held to a higher health standard than bottled water.
19