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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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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People about to have surgery must tell their health care providers about all supplements they take.