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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.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Purpura, hemorrhaging into the skin due to fragile blood vessels. Purpura, hemorrhaging into the skin due to fragile blood vessels.
Skin color variations Skin color variations
Preparing the Patient’s Skin for Surgical Procedures Preparing the Patient’s Skin for Surgical Procedures
Sign on methanol pump shows that methyl alcohol is a poison and can cause skin irritation and other ... Sign on methanol pump shows that methyl alcohol is a poison and can cause skin irritation and other ...
Induration measurement in a tuberculin skin test, a type IV hypersensitivity. Induration measurement in a tuberculin skin test, a type IV hypersensitivity.
Skin-associated lymphoid tissue (SALT). Skin-associated lymphoid tissue (SALT).
Video: Ionic bonds - role of ions in the body

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