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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.