Physicians demonstrate their concern for the future of the medical profession in their commitment to the education of medical students, residents, fellows, peers, and themselves. The 2006 Medical Education theme issue of JAMA continues our recurrent focus on teaching and learning at all of these levels.

Three articles in this issue focus on risks to residents related to their training environment. Ayas et al¹ present evidence of risk of percutaneous injuries associated with working extended duration work shifts, and Zheng et al² describe signs of vascular inflammation and changes in endothelial function associated with extended work shifts and sleep deprivation. West et al³ found an association between self-perceived medical errors and measures of subsequent distress, including assessments for quality of life, burnout, loss of empathy, and symptoms of depression. In addition, Landrigan . . . [Full Text of this Article]