http://www.huffingtonpost.com/healthcom ... 02994.html
That's just a sampling.Fire. I wouldn't keep fire in the house. I can tell you with absolute certainty that 100% of all burned down houses were caused by fire. All of them.
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Bed. More people die in bed than anywhere else.
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Water. Have you any idea how many people drown in water every year?
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Get ready to have your mind completely blown. Nearly 100% of the people on this earth since the very beginning of human kind have died in the presence of oxygen!
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I find not having children in the house resolves a lot of these issues.