The FDA took the extraordinary step to approve the over-the-counter sale of Narcan, a drug that can quickly reverse the effects of opioid overdoses. CBS News medical contributor and editor-at-large for public health at Kaiser Family Foundation, Dr. Celine Gounder joins "CBS Mornings" to discuss the significance of the approval and how someone should administer the drug.

Each weekday morning, "CBS Mornings” co-hosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and in-depth feature reporting. "CBS Mornings" airs weekdays at 7 a.m. on CBS and stream it at 8 a.m. ET on the CBS News app.

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