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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
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The average office desk has 400 times more bacteria on it than a toilet.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.