The Center for Disease Control and Prevention released preliminary overdose estimates for 2017. Although a few states offer some encouraging examples of progress, the estimates — or even just one, the record 72,000 overdose deaths — offer a troubling look at how the United States is still struggling to address addiction. Of those deaths, the majority, over 49,000, were from opioid overdose.

To help curb opioid overdoses and provide treatment, we need to look at what works.