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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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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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There are more bacteria in your mouth than there are people in the world.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.