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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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The human body produces and destroys 15 million blood cells every second.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%