Eyes are wide and bright. Blood pressure and heart rate are increased. Nausea and possibly vomiting. These affects usually wear off in about three to six hours. These effects have not yet been researched extensively.
Neurotransmitters are a class of molecules that facilitate the transmissions of nerve impulses.
Serotonin acts in the CNS to control a variety of body functions such as sleep, memory and learning, mood, and behavior. It is thought that psilocybin inhibits or blocks serotonin from functioning properly. However, the actual effects on the brain have not been researched thoroughly. However, there have been cases of fatal accidents and suicides by people under its influence. Tolerance to psilocybin mushrooms can be achieved rapidly if taken for a few consecutive days.