October 25, 2017 7:05 pm Walgreens to Sell Narcan to Prevent Overdose Deaths Walgreens said it will start selling Narcan in all of its stores. The drug helps prevent overdose deaths from heroin or painkillers. NBC 6’s Keith Jones reports. US & World Videos 0:42 Teen injured in drone accident at Dania Beach Fishing Pier 1:30 Fleet Week kicks off in Miami 1:38 6 to know – Top stories of the day 0:18 Miami Fleet Week kicks off 0:19 Miami-Dade Police investigate deadly crash in Gladeview