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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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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.