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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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The horizontal fraction bar was introduced by the Arabs.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).