Hossein Feizi - Department of Medical Surgical Nursing, Faculty of Nursing and Midwifery, Kurdistan University of Medical Sciences, Sanandaj, Iran
Ronak Vakili Tajareh - Department of Medical Surgical Nursing, Faculty of Nursing and Midwifery, Kurdistan University of Medical Sciences, Sanandaj, Iran
Naser Rashadmanesh - Department of Environmental Health Engineering, School of Public Health, Kurdistan University of Medical Sciences, Sanandaj, Iran

Introduction and Aim: Breast cancer is one the most common cancers in women which can be prevented by changing lifestyle and adopting healthy behavioral patterns. the purpose of this study was to the effect of training using Problem Base learning method on the lifestyle of patients with breast cancerMethods: First, the lifestyle of patients was measured using a standard health-promoting lifestyle questionnaire. Then, the participants were randomly assigned to two groups of test and control. Patients in the experimental group were taught using problem-solving learning method and no specific actions were taken on the control group. Immediately at the end of this period, patients lifestyle was assessed using the questionnaire and the data were analyzed using statistical tests.Results: The mean age of the samples was 44.22 ± 10.32. as many as 18% (9 patients) of the samples were single; 68% (34 patients) of the samples were married; 8% of the samples (4 patients) lost their spouses by death; and 6% (9 patients) were divorced. most of the patients were illiterate (13%) and had an average income (24%). the results of this study showed that there is a significant difference in all aspects of lifestyle in both groups before and after the intervention.Conclusion: The results of this study indicate that learning based on problem solving method has a positive effect on all aspects of lifestyle in patients with breast cancer and has promoted this component. This method can be used as part of the usual practice of patients along with other therapeutic measures.

Problem- Base Learning, Lifestyle, Breast Cancer