Psychoactive substance

From WikiMD's Food, Medicine & Wellness Encyclopedia

Psychoactive substance is a chemical substance that changes brain function and results in alterations in perception, mood, consciousness, cognition, or behavior. These substances may be used recreationally, to purposefully alter one's consciousness, or therapeutically, as medication.

Classification[edit | edit source]

Psychoactive substances are classified into different groups according to their pharmacological effects. Commonly used psychoactive substances include alcohol, cannabis, nicotine, caffeine, and opioids.

Depressants[edit | edit source]

Depressants are psychoactive substances that decrease arousal and stimulation in the user, characterized by sedation, relaxation and decreased alertness. Examples include alcohol, benzodiazepines, and opioids.

Stimulants[edit | edit source]

Stimulants increase the activity of the central nervous system and the body, providing increased alertness, arousal, and endurance. Examples include caffeine, nicotine, and amphetamines.

Hallucinogens[edit | edit source]

Hallucinogens can cause subjective changes in perception, thought, emotion and consciousness. Examples include LSD, psilocybin, and mescaline.

Effects[edit | edit source]

The effects of psychoactive substances vary depending on the specific drug and how it is used. These effects can range from mild changes in mood and perception to severe forms of mental and physical distress.

Risks[edit | edit source]

The use of psychoactive substances can lead to a range of health risks, including addiction, mental health disorders, and physical health problems.

See also[edit | edit source]

References[edit | edit source]


Psychoactive substance Resources
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Contributors: Prab R. Tumpati, MD