A psychoactive drug or psychotropic substance is a chemical that acts primarily upon the central nervous system, but also to a lesser extent upon the autonomic nervous system and the peripheral nervous system. This alteration of brain function can result in temporary changes in perception, mood, consciousness and behavior.

These drugs may be used recreationally to purposefully alter one's consciousness (such as coffee, alcohol or cannabis), as entheogens for spiritual purposes (such as the mescaline containing peyote cactus or psilocybin containing mushrooms), and also as medication (such as the use of narcotics in controlling pain, stimulants to treat narcolepsy and attention disorders, as well as anti-depressants and anti-psychotics for treating neurological and psychiatric illnesses).

Many of these substances (especially the stimulants and depressants) can be habit-forming, causing chemical dependency and may lead to substance abuse. Conversely, others (namely the psychedelics) can help to treat and even cure such addictions.

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Psychoactive Drugs - Twitter Search

night↵good↵involving blair giving me psychoactive drugs in a tablet form↵and then thinking i was being driven to southern troy but was actu
keytweeter (Kyle McDonald) Tue, 08 Dec 2009 16:38:53 -0000
night↵good↵involving blair giving me psychoactive drugs in a tablet form↵and then thinking i was being driven to southern troy but was actu
@MREEUH Sometimes drugs are as simple as Habits. Wading through your favorite magazine can produce psychoactive results...
MOXIEJOE (MOXIEJOE Animation) Tue, 08 Dec 2009 01:11:27 -0000
@MREEUH Sometimes drugs are as simple as Habits. Wading through your favorite magazine can produce psychoactive results...
@jayest Maybe an unholy combination of Preston and Dappy... on strong psychoactive drugs.
sheldrakus (Julia Wainwright) Mon, 07 Dec 2009 22:16:41 -0000
@jayest Maybe an unholy combination of Preston and Dappy... on strong psychoactive drugs.
@n3lbert @hybrid_snyper you caffeine nuts are just speed addicts in training. Same stimulant effect to the brain! Both psychoactive drugs!
KevReillyCom (Kev Reilly) Mon, 07 Dec 2009 15:00:41 -0000
@n3lbert @hybrid_snyper you caffeine nuts are just speed addicts in training. Same stimulant effect to the brain! Both psychoactive drugs!
Teens Misuse of Psychoactive Prescription Drugs http://bit.ly/seT1t
DaveMSW (David Earl Johnson) Sat, 05 Dec 2009 20:20:13 -0000
Teens Misuse of Psychoactive Prescription Drugs http://bit.ly/seT1t
these psychoactive drugs arent making him normal. they're turning him into a zombie, thats what they want us all to be, zombies.
molochNATION (Jose Morales) Sat, 05 Dec 2009 18:33:35 -0000
these psychoactive drugs arent making him normal. they're turning him into a zombie, thats what they want us all to be, zombies.

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