Nearly twice as many people in the United States used heroin in 2018 as did in 2002, according to a new government study. During the same time period, deaths from heroin overdoses also jumped, from just under 2,100 deaths in 2002 to more than 15,000 deaths in 2018. The CDC has reported that those most at risk for heroin addiction include people addicted to prescription opioids; people addicted to cocaine, marijuana or alcohol; men; white people; people aged 18 to 25; and people living in urban areas.

Read more on what researchers found: