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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.