How stimulants affect the central nervous system

You are a drug enforcement agent and have been invited as a guest speaker to explain to a group of high school students how stimulants affect the central nervous system. You will focus on the biological process as it relates to the allure of the stimulant providing a sense of well-being (dopamine).You will use a PowerPoint presentation to explain the central nervous process to the students.Content Requirements:

Choose a type of stimulant that we have studied in this course (amphetamines, cocaine, alcohol, caffeine)
Briefly describe the nature of the stimulant. Be sure to include:
how stimulants enhance mood
the neurological process as it relates to the Central Nervous System
its prevalence in our society.
it's impact on our society.