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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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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.