Type of paper Research Paper
  Subject Psychology
  Number of pages 8
  Format of citation APA
  Number of cited resources  5
  Type of service  Writing
 

Define drug addiction.  Compare the various routes of drug administration. Explain the ways in which drugs can influence the nervous system and how they are eliminated from the body.  Explain how the body can become tolerant to a drug and how a person can be physically dependent on a drug. Explain drug tolerance and described conditioned drug tolerance and compensatory drug responses. Describe the health hazards associated with five commonly used drugs. What was the early research on drug addiction and what are the current approaches to mechanisms of addiction.