UPI reports a new analysis reveals heroin use in the United States has nearly doubled since 2002.
So have health problems related to injecting of the drug.
Researchers from the Journal of the American Medical Association estimate 0.32 percent of the American population took the illegal drug in 2018.
That's up from 0.17 percent in 2002.
In addition, the percentage of those who inject the drug increased from 0.09 percent of the population in 2002 to 0.17 percent in 2018.