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 psychology-glossary.com■■■■■■
psychoactive substance: psychoactive substance refers to substance, such as a drug, that alters mood . . . Read More
Substance use disorders (SUDs) at psychology-glossary.com■■■■■
substance use disorders (SUDs): substance use disorders (SUDs) refer to disorders that occur during adolescence . . . Read More
Conservation at psychology-glossary.com■■■■
Conservation: Conservation refers to the concept that physical changes do not alter the mass, weight, . . . Read More
Hallucinogen at psychology-glossary.com■■■■
hallucinogen: hallucinogen refers to any psychoactive substance, such as LSD or marijuana, that can produce . . . Read More
Substance-related disorder at psychology-glossary.com■■■■
substance-related disorder: substance-related disorder refers to one of a range of problems associated . . . Read More
Cyclic AMP at psychology-glossary.com■■■■
Cyclic AMP: Cyclic AMP refers to a substance produced from ATP through the action of adenylate cyclase . . . Read More
Equifinality at psychology-glossary.com■■■■
Equifinality: Equifinality refers to the concept that similar outcomes may stem from different early . . . Read More
Animal spirits at psychology-glossary.com■■■■
Animal spirits: Animal spirits refer to the substance Descartes and others Thought was located in the . . . Read More
Nervous system at psychology-glossary.com■■■■
Nervous system: Nervous system refers to the sensory and control apparatus consisting of a network of . . . Read More
Harm-reduction model at psychology-glossary.com■■■■
Harm-reduction model: Harm-reduction model refers to an approach to treating substance use disorders . . . Read More