A psychoactive drug or psychotropic substance is a chemical that alters brain function, resulting in temporary changes in perception, mood, consciousness, or behavior. Such drugs are often used in recreational drug use and as entheogens for spiritual purposes, as well as in medication, especially for treating neurological and psychiatric illnesses.
Many of these substances (especially the stimulants and depressants) can be habit-forming, causing chemical dependency and often leading to substance abuse. Conversely, others (namely the psychedelics) can help to treat and even cure such addictions.
dat je niks vond op internet is blaat!!
beetje moeite doen in het vervolg

:P
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