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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 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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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.