Write down a 1,050 to 1,400 word paper in which you recognize abused substances and their different effects. Comprise the given:
a) Describe the psychology and physiology of addiction.
b) Identify specific drug substances covering the given categories: stimulants, depressants, narcotics, hallucinogens and cannabis.
c) Describe the addiction potential of different abused substances, what effects they have and withdrawal symptoms.
d) Describe how prescription drugs can be abused and lead to the addiction.
Format your paper according to the APA rule.