The document contains summaries of 4 posters presented at a conference on asthma. Poster 1 summarizes a study examining the perception of asthma control in relation to tobacco smoke exposure among adult asthma patients in Catalunya, Spain. It found that most patients believe smoking harms their asthma and that not being exposed to smoke is beneficial. Poster 2 describes the clinical and epidemiological characteristics of asthma patients in Catalunya. It found that patients were mostly women diagnosed by primary care doctors, with good control according to a standardized test and high rates of complementary exams. Poster 3 examines asthma treatment, side effects, and control in primary care. It describes common medications, side effects, and found that while most