“It’s time drug treatment and harm reduction services got involved with tobacco harm reduction,” Gerry Stimson told the audience. Stimson, a public health social scientist and emeritus professor at Imperial College London, was speaking at the Global Forum on Nicotine (GFN) in Warsaw, Poland, in early June. He emphasized the extremely high prevalence of tobacco smoking, and related harms, among people who use banned drugs. “Smoking rates amongst …