Some hallucinogens such as "magic mushrooms" or mescaline come from plants. Some plants have been used in shamanism to see visions. Other hallucinogens such as LSD, ecstasy and PCP are man-made.
I Would say they were not discovered in documented history they have been used by shamans for a very very very very long time probably prehistoric.
Nature.
what does hallucinogens means
Ecspecially mushrooms Hallucinogens is found in fungi.
There are many characteristics of hallucinogens. Hallucinogens are very dangerous drugs that cause mental impairment and irritation of the human tissues.
Most hallucinogens are not addictive physically, and are not very psychologically addictive. However, one of the more addictive hallucinogens is the dissociative ketamine.
hallucinogens and the dissociative are in the same category because
Many types of hallucinogens exist.
Hallucinogens have existed in nature for thousands of years. No particular person invented them.
No, Hallucinogens do not improve coordination, concentration and attention.
Hallucinogens
There are many kinds of hallucinogens but the most known are LSD and psilocybin mushrooms.
The unpredictable nature of hallucinogens is one of the biggest concerns about their use.