All the following drugs are used to treat opioid addiction execpt.

a) naltrexone(trexan)

b)methamphetamine

c)methadone

d)buprenorphine (temgesic)

Primary effectit is the most accurate.

Answer in 2009 barack obama signed into law the family smoking prevention and tobacco control act, the new law (h.r.   1256) represents the most sweeping action taken to date to reduce what remains the leading preventable cause of death in the united states;