### drug | psychoactive drug:

Hallucinogen
* All hallucinogens are chemically related to serotonin
  - produce unpredictable, negative effects
* Many hallucinogens are alkaloids, which means that they synthesized using metallic salts
  - in the form of a white powder
* Most hallucinogens inhibit serotonin neurons in the brain stem.
* Some hallucinogens also produce rapid, intense emotional swings
  - come from natural sources, such as mescaline from the peyote cactus
* are a group of drugs that affect the central nervous system
  - alkaloids, which means that they are derived from plants
  - drugs that distort the perception of reality and feelings
  - illegal to buy, sell, or possess
  - man made, or grown naturally
  - particularly dangerous because the effects are so unpredictable
* are psychoactive chemicals that change perception
  - drugs known for altering time and space perception
* cause cross-tolerance.
* change the way a person feels time, making it seem to slow down
  - people see, hear, feel or think
* have a profound effect on the mind by altering sensations and emotions
  - no prescribed medical use and are made and sold illegally
  - powerful mind-altering effects
* impair the users' visual perceptions as well as perception of time and space.
* interrupt the brain's messages that control the intellect and keep instincts in check.
* occur naturally in primarily two forms, peyote cactus and psilocybin mushrooms.
* stimulate a shift in the perception of reality.
+ Illegal drugs, Types of psychoactive drugs and their effects, Hallucinogens
  * Hallucinogens change the way people see, hear, feel or think. Each group has different effects. They may cause hallucinations, when a person imagines something that is not really there.

Hallucinogenic drug
* affect it.
* continue to appear in area reports involving primarily younger users.
* have delusions and modifications of perception as their dominant effect.

Mescaline
* comes from a cactus called peyote
  - the peyote plant which is in no way related to the agave
* is drugs
* runs throu the veins.

Peyote
* are cactuses
* grows in clusters which resemble the shape of a deer
  - well anywhere if it is kept out of direct sunlight
* looks like a cactus and grows wild in the desert.

### drug | psychoactive drug:

Psilocybin
* are chemical compounds
  - hallucinogens
* changes certain things in the brain.
* comes from certain mushrooms.
+ Psychedelic mushroom: Fungi :: Drugs
  * Psilocybin mushrooms', also known as 'Psychedelic mushrooms', contain the alkaloid psilocybin and other related tryptamine derivatives. Psilocybin changes certain things in the brain. This leads to the nerve cells giving more signals - generally translated to a different consciousness. This can lead to effects like hallucinations or visions. They can also be used for medical purposes to treat cluster headaches, obsessive-compulsive disorder, and certain kinds of depression.

Psychoactive substance
* change the consciousness and mood of their user.
+ Psychoactive drug: Drugs
  * Psychoactive substances change the consciousness and mood of their user. It will get more difficult to interrupt the cycle of abuse. However, the reverse is also true in some cases, that is certain experiences on drugs may be so unfriendly and uncomforting that the user may never want to try the substance again.

Psychotropic drug
* affect the progress and outcome of therapy.
* are very powerful and can have numerous good effects.
* do change the normal functioning of the brain.
* heighten body temperature.

Rape drug
* are a national concern.
* are very powerful sedatives with no taste or odor when dissolved in liquid
  - strong sedatives
* have the power to make one drink feel like six.