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Psychoactive substances are substances that act on the central nervous system to produce changes in mood emotion perception or consciousness. These substances can be either naturally-occurring or man-made and can be taken either in the form of drugs food beverages or supplements. Psychoactive substances can be divided into the following categories:
- Stimulants These substances increase alertness energy and focus and can include caffeine nicotine and amphetamines.
- Depressants These substances reduce alertness energy and focus and can include alcohol barbiturates and benzodiazepines.
- Hallucinogens These substances cause intense changes in perception and can include LSD MDMA and psilocybin.
- Analgesics These substances reduce pain and can include opioids such as morphine and codeine.
The effects of psychoactive substances can vary greatly depending on the type dose and route of administration. Some substances can produce pleasurable effects while others can cause adverse reactions or even be fatal.
Rae Beahan
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