Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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There are 20 feet of blood vessels in each square inch of human skin.
European wildcat feeding its kittens, as illustrated in Brehm's Life of Animals