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In 1864, the first barbiturate (barbituric acid) was synthesized.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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