Explain The Work Of A Neurotransmitter and Psychoactive Drugs

part 1 :Choose A neurotransmitter and write an original 2 paragraph summary of where it is found, what it does, and what happens if levels of it is too high or too low.

part 2:Choose a class of psychoactive drugs and write 2 original paragraphs that describe the method that those drugs work to alter consciousness. Include common side effects.