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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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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Cyanide works by making the human body unable to use oxygen.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.