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Did you know?
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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The human body produces and destroys 15 million blood cells every second.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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The average office desk has 400 times more bacteria on it than a toilet.