_____ is/are thought to be one cause of an epidemic of heroin deaths, which have more than tripled from 2010 to 2014.

Question

Quizplus · Accepted Answer

Prescription opioids are commonly prescribed for pain management, but they can be highly addictive and can lead to heroin use, as heroin is a cheaper alternative. The abuse and misuse of prescription opioids are believed to be one of the main contributors to the increase in heroin-related deaths in recent years.

_____ Is/are Thought to Be One Cause of an Epidemic