To better understand why some people become addicted to certain substances and others don’t, scientists continue to study the genetic makeup of different individuals. Such research has led to the identification of gene variations that indicate that specific nationalities may be more susceptible. Science Daily examined research from Rockefeller University that identified several genetic variations in American and Israeli Caucasians that influence the risk for addiction to heroin.
Methadone is widely used as a treatment for heroin and pain medication addictions, as well as to treat chronic pain in some patients. But there is a growing concern over the number of deaths linked to the improper use of methadone.