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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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The horizontal fraction bar was introduced by the Arabs.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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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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Vaccines prevent between 2.5 and 4 million deaths every year.