Figure 3From: Future physicians and tobacco: an online survey of the habits, beliefs and knowledge base of medical students at a Canadian UniversityThe responsibility of cigarettes for six diseases. Diseases were given in a randomized order and the students were asked to rate the degrees to which cigarettes are responsible for each disease. The rating was on a scale of 1 to 6 with “1” being “not at all responsible” and “6” being “totally responsible”. COPD, chronic obstructive pulmonary disease.Back to article page