The FFF’s series 14, episode 93 was held on 20.05.2022 through the webinar. Dr. Mahalakshmi Dean HPE, AVMC hosted and introduced the Resource Person to the gathering. Dr. P.F. Kotur, Dean AVMC, welcomed the gathering and thanked the resource person for his presentation. Dr. M. Suresh Kumar MD, DPM, MPH (USA) consultant Psychiatrist, Chennai narrated the topic “Substance use and Addiction” to 126 audiences. He explained in the board view on Classification of substances, Development of Substances Dependence, Harms related to Substance Dependence and Treatment Strategies: Focus on Harm Reduction. He also explained clearly the substance Abuse, Hazardous and Harmful use, Psychological and Physical symptoms, and addition & Causes of the risk factors. He also answered the questions raised by the audience.