Physicians often collaborate with other doctors when caring for patients with various medical problems. Yet disagreements with our colleagues may occur more frequently than we would like to admit, and there can be consequences to these disagreements among physicians. How can we best deal with these differences in medical opinion, while keeping in mind our common goal of providing the best care possible for our patients? Host Dr. Jennifer Shu covers this question and a range of related issues with Dr. Rahul Parikh, a pediatrician at Kaiser Permanente in Walnut Creek, California, and a regular contributor to the Vital Signs medical column on Salon.com. Dr. Parikh recently wrote an article for the Los Angeles Times on disagreements between doctors: Does a patient's input often play a role in generating or exacerbating a disagreement? Do we tend to gravitate away from others with whom we have a difference of philosophy or medical opinion?