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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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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Thyroid conditions may make getting pregnant impossible.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.