One puff on a cigarette delivers over 4 000 different chemicals into your body

Prescription drugs kill more people every year than heroin and cocaine combined

Canadian researchers have found that Einstein s brain was 15% wider than normal

Every square inch of the human body has an average of 32 million bacteria on it

The pupils of the eyes expand by as much as 45% when looking at someone pleasing

The only part of the human body that cannot develop cancer is the lens of the eye

Although a human brain is only 2% of the body mass it burns 20% of calories daily

There are over 600 muscles in the body which account for 40% of the body s weight

The venom of a female black widow spider is more potent than that of a rattlesnake

People who laugh more are better able to tolerate pain both physical and emotional

To keep your feet warm put on a hat: 80% of all body heat escapes through the head

Every pound of fat one gains causes one s body to make 7 miles of new blood vessels

Avocados boost your serotonin levels so eating them is a good way to beat depression

Kissing helps reduce tooth decay because the extra saliva helps clean out your mouth

Not all our taste buds are on our tongue; about 10% are on the palette and the cheeks