Substances/Content: Difference between revisions

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A '''psychoactive substance''' is defined as a chemical substance, other than a nutrient or essential dietary ingredient, that affects brain function to produce alterations in sensation, perception, mood, consciousness, cognition, and behavior.  
A '''psychoactive substance''' is defined as a chemical substance, other than a nutrient or essential dietary ingredient, that affects nerve function to produce alterations in sensation, perception, mood, consciousness, cognition, and behavior.  


Psychoactive substances are used for a number of purposes; for example, they can be taken recreationally for their novelty and [[euphoria|euphoric]] effects, as [[entheogens]] for ritual or spiritual purposes, or as tools for augmenting and studying the mind. Many psychoactive substances have demonstrable therapeutic utility and are used in routine medical practice (e.g. [[pain relief|anaesthetics]], analgesics, [[anxiety suppression|anxiolytics]], [[antidepressants]], etc.).
Psychoactive substances are used for a number of purposes; for example, they can be taken recreationally for their novelty and [[euphoria|euphoric]] effects, as [[entheogens]] for ritual or spiritual purposes, or as tools for augmenting and studying the mind. Many psychoactive substances have demonstrable therapeutic utility and are used in routine medical practice (e.g. [[pain relief|anaesthetics]], analgesics, [[anxiety suppression|anxiolytics]], [[antidepressants]], etc.).