Substance refers to a chemical that alters a person's mood or behavior when it is smoked, injected, drunk, inhaled, or swallowed in pill form.

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Psychoactive substance at■■■■■■
psychoactive substance: psychoactive substance refers to substance, such as a drug, that alters mood . . . Read More
Substance use disorders (SUDs) at■■■■■
substance use disorders (SUDs): substance use disorders (SUDs) refer to disorders that occur during adolescence . . . Read More
Conservation at■■■■
Conservation: Conservation refers to the concept that physical changes do not alter the mass, weight, . . . Read More
Hallucinogen at■■■■
hallucinogen: hallucinogen refers to any psychoactive substance, such as LSD or marijuana, that can produce . . . Read More
Substance-related disorder at■■■■
substance-related disorder: substance-related disorder refers to one of a range of problems associated . . . Read More
Cyclic AMP at■■■■
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Equifinality at■■■■
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Animal spirits at■■■■
Animal spirits: Animal spirits refer to the substance Descartes and others Thought was located in the . . . Read More
Nervous system at■■■■
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Harm-reduction model at■■■■
Harm-reduction model: Harm-reduction model refers to an approach to treating substance use disorders . . . Read More