Dr. Tashkin is Emeritus Professor of Medicine in the Division of Pulmonary and Critical Care Medicine at the David Geffen School of Medicine at the University of California, Los Angeles (UCLA). A graduate of the University of Pennsylvania School of Medicine, Dr. Tashkin became one of the first Fellows to complete trainiing in pulmonary medicine and physiology at UCLA in 1969, after which he joined the division faculty. Dr. Tashkin's research interests include the pulmonary effects of smoked substance abuse and community air pollution, the pathophysiology, prevention and treatment of COPD, and the pathophysiology and clinical pharmacology of asthma. A prolific author and presenter, Dr. Tashkin has authored 535 peer-reviewed journal articles as well as numerous book chapters, abstracts, editorials, and multimedia educational materials on various topics, including asthma, chronic obstructive pulmonary disease, airway disease management and the health effects of cannabis and 'crack' cocaine. Dr. Tashkin has presented numerous times in various settings, including annual professional society meetings and national and international conferences and symposia. Among his many professional activities, he is a member of the Editorial Board of Chest, Respiratory Research, Respiratory Medicine at Elsevier.