About Us
Glossary
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Hallucinations: Perceptions of something (such as a visual image or a sound) that does not really exist. Hallucinations usually arise from a disorder of the nervous system or in response to drugs (such as LSD). [9]
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Hallucinogens: A diverse group of drugs that alter perceptions, thoughts, and feelings. Hallucinogenic drugs include LSD, mescaline, MDMA (ecstasy), PCP, and psilocybin (magic mushrooms). [5]
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Halothane: Medical anesthetic gas. [9]
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Hepatitis: Inflammation of the liver. [9]
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Heroin: The potent, widely abused opiate that produces addiction. It consists of two morphine molecules linked together chemically. [5]
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Hexane: A hydrocarbon volatile liquid found in glue or gasoline. [9]
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Hippocampus: An area of the brain crucial for learning and memory. [1]
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HIV (Human Immunodeficiency Virus): The virus that causes AIDS (Acquired Immunodeficiency Syndrome). [8]
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Hormone: A chemical substance formed in glands in the body and carried in the blood to organs and tissues, where it influences function, structure, and behavior.
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Hypothalamus: The part of the brain that controls many bodily functions, including feeding, drinking, and the release of many hormones. [5]