Study: Drug-related deaths are up more than 600 percent over 35 years

It’s been a grim 35 years in the battle against substance abuse, according to a new analysis.

Overall, the study found the rise was more than 600 percent in deaths related to drug use in the U.S., between 1980 to 2014 — including substance abuse, self-harm and interpersonal violence. The findings appeared Tuesday in the Journal of the American Medical Association.

Opioid painkillers, both prescription and nonprescription, were suggested to be the main culprit in drug deaths.

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