Medications to reduce risk for primary breast cancer are recommended for women at increased risk; however, use is low.

Patients with chronic kidney disease (CKD) are at increased risk for kidney failure, cardiovascular events, and all-cause mortality. Accurate models are needed to predict the individual risk for these outcomes.

Osteoporosis is a prevalent but underdiagnosed condition.

Computer-aided detection (CAD) has rapidly diffused into screening mammography practice despite limited and conflicting data on its clinical effect.

Patient-centered decision making (PCDM) is the process of identifying clinically relevant, patient-specific circumstances and behaviors to formulate a contextually appropriate care plan.

User-created content and communications on Web-based applications, such as networking sites, media sharing sites, or blog platforms, have dramatically increased in popularity over the past several years, but there has been little policy or guidance on the best practices to inform standards for the professional conduct of physicians in the digital environment. Areas of specific concern include the use of such media for nonclinical purposes, implications for confidentiality, the use of social media in patient education, and how all of this affects the public's trust in physicians as patient-physician interactions extend into the digital environment. Opportunities afforded by online applications represent a new frontier in medicine as physicians and patients become more connected. This position paper from the American College of Physicians and the Federation of State Medical Boards examines and provides recommendations about the influence of social media on the patient-physician relationship, the role of these media in public perception of physician behaviors, and strategies for physician-physician communication that preserve confidentiality while best using these technologies.