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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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There are more sensory neurons in the tongue than in any other part of the body.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.