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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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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Illicit drug use costs the United States approximately $181 billion every year.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

A new drug development timeline, with the four phases of drug approval A new drug development timeline, with the four phases of drug approval
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
Kohlberg's Stages of Moral Development Kohlberg's Stages of Moral Development
The Clean Development Mechanism allows developed countries The Clean Development Mechanism allows developed countries
Development of the Nervous System: Transverse section Development of the Nervous System: Transverse section
Survivorship curves for people in the United States in the early 20th and early 21st centuries Survivorship curves for people in the United States in the early 20th and early 21st centuries
Video: Negative Feedback Regulation of Blood Pressure

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