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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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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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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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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Human immunodeficiency virus (HIV) Human immunodeficiency virus (HIV)
Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man. Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man.
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LION-HUMAN LION-HUMAN
Annotation of a DNA sequence containing part of the human beta globin gene Annotation of a DNA sequence containing part of the human beta globin gene
Mutations in human mitochondrial genes leading to disease syndromes Mutations in human mitochondrial genes leading to disease syndromes
Video: Stroke volume

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