Study shows that actual opioid deaths for 2014 were 24% higher than previously estimated. When pulled out alone, heroin deaths were also 22% higher than previously estimated. That would bump up the total number of all opioid overdose deaths in 2014 from nearly 29,000 to more than 35,000.

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Study shows that actual opioid deaths for 2014 were 24% higher than previously estimated. When pulled out alone, heroin deaths were also 22% higher than previously estimated. That would bump up the total number of all opioid overdose deaths in 2014 from nearly 29,000 to more than 35,000.