METHODSWe selected several lifestyle factors to study, which included exercise, sleep, diet, caffeine consumption, and alcohol consumption. These factors were chosen because public health organizations identify them as risk factors for the most common chronic diseases (i.e., cancer, cardiovascular disease, diabetes, and chronic respiratory diseases) [16]. Evidence that each lifestyle factor was being optimized for health was indicated through compliance with a guideline for healthy living related to this factor. Sources for these guidelines came from a number of respected health organizations. The organizations and their associated guidelines are listed in Table 1.This was a substudy of a larger study examining disruptive behavior in the perioperative setting. The survey received ABSTRACT Purpose: Healthy lifestyle habits have been linked with enhanced learning during medical school, motivating some schools to institute healthy self-care programs for students. This study examined the health habits of medical students in the USA and Canada during operating room rotations and compared the results with recommended health guidelines. Methods: The authors created a survey examining markers of a healthy lifestyle. The questions were derived from scientific guidelines and pertained to getting adequate amounts of exercise and sleep, and abstaining from excessive consumption of junk food, caffeine, and alcohol. Several sociodemographic predictors of compliance with health habits were examined using logistic regression. Results: A total of 543 students completed the survey. The proportions of students meeting recommended health guidelines for each health habit were as follows: Alcohol (79.2%), caffeine (51.3%), food (47.6%), sleep (38.2%), and exercise (18.6%). The proportion of students meeting all health guidelines concurrently was 4.1% and the proportion meeting none was 4.8%. Men had a lower risk of not meeting the majority of the health guidelines (odds ratio [OR] = 0.66, P = 0.018) and older students (OR = 2.17, P = 0.012) were at a higher risk. Conclusions: The vast majority of the medical students surveyed were not in compliance with healthy lifestyle guidelines during operating room rotations. This research supports the need for healthy self-care programs for medical students and specifically draws attention to the importance of physical activity.