Washington: Indiscriminate use of painkillers may open the way to drug abuse among people with a history of using both types of drugs, a study says.The study, by Drexel University`s School of Public Health researchers, explores factors surrounding young drug users` initiation into the misuse of opioid drugs.Opioids are among the world`s oldest known drugs. Their painkilling effects are due to decreased perception of pain, decreased reaction to pain as well as increased pain tolerance.The results support a need for efforts to prevent misuse of prescription drugs, particularly during adolescence, the International Journal of Drug Policy reports.
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