Describe the neurobiology of substance abuse and addiction.

Watch this TEDMED Talk by Neuroscientist Nora Volkow, Director of the National Institute on Drug Abuse at the NIH, on why our brains get addicted.

Then answer the questions below.

Describe the neurobiology of substance abuse and addiction.
Provide an analysis of the extent to which addiction to psychoactive drugs is biological versus psychological.
Support or refute the practice of using drug therapies for treating addiction. Be sure you are including current supportive research in your reply.
Include in your argument above a discussion of the advantages and disadvantages of relying on drug therapy to treat addiction.