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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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