Oct 21, 2025

Updated 3:04 pm PT

Failed to save article

Please try again

7-OH, pictured here at a smoke shop in Daly City, has rapidly spread across California in recent years, showing up in gas stations and smoke shops statewide. Experts warn the drug is highly addictive and potentially deadly. (Lester Black/SFGATE)

Guests:

Lester Black, cannabis editor, SFGATE

Dr. Brian Hurley, addiction physician; medical director of the Bureau of Substance Abuse Prevention and Control, Los Angeles County Department of Public Health