The average human body contains enough iron to make a small nail.
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After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
There are more bacteria in your mouth than there are people in the world.
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The human sigh acts as a physiological reset button.
23
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
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