On the sixth episode of the "The Researcher”, Dr. Imad Bou Hamad discussed the topics of environmental pollution and the health risks of smoking with Dr. Najat Aoun Saliba, professor of analytical chemistry and atmospheric chemist at the American University of Beirut. The episode included many interventions on the topic of pollution and its impact on health. The episode also featured a special intervention by actor Wissam Hanna, in which he encouraged to "create an environment free of pollution."