Methadone is a prescription drug used to treat addiction to heroin. Conduct Internet research to answer the following questions about methadone treatment: a) How does methadone treatment work? b) How...

Methadone is a prescription drug used to treat addiction to heroin. Conduct Internet research to answer the following questions about methadone treatment:

1. a) How does methadone treatment work?

1. b) How is methadone treatment for heroin addiction similar to nicotine replacement therapy in the treatment of nicotine addiction? How is it different?

1. c) Why can the nicotine patch and nicotine gum be bought in a pharmacy "over the counter" but in methadone therapy, addicts must obtain a prescription and physically go to the methadone treatment centre or hospital every day to obtain their dosage of methadone?