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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.