s. u. D. r. g. The effects of dugs on the nervous system . . Heroin. .
Some dependent meth addicts also experience hallucinations that can be auditory, visual or sensory in nature. Personality disorders can even develop in people that have used crystal meth for a long period of time. It can also lead to schizophrenic episodes, memory problems, attention deficits, and difficulty with problem-solving.
magic mushrooms affect the brain or the central nervous system. Most of the magic mushrooms are non-poisonous, but they can alter perception and create hallucinations by acting on the central nervous system.