Due to the arrival of the "World No Tobacco Day" (with the slogan of tobacco, a threat to our health and environment), Dr. Borhan Mansouri, Vice President for Research, Journal Club (scientific meeting) on the topic, the health effects of smoking and drugs and ways to prevent it were held at the conference hall of the Substance Abuse Prevention Research Center at Farabi Hospital on Tuesdays and Wednesdays (May 30 and 31) from 12 to 14 in the presence of colleagues and faculty members.