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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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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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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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The human body produces and destroys 15 million blood cells every second.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.