KEITH SCORZA, MD, AARON WILLIAMS, DO, J. DANIEL PHILLIPS, MD, and JOEL SHAW, MD

The etiologies of nausea and vomiting include iatrogenic or infectious causes, gastrointestinal disorders, and central nervous system or psychiatric conditions, and can often be determined from a comprehensive history and physical examination. Evaluation should focus first on detecting any emergencies or complications, then on identifying the underlying cause and providing specific therapies. When the cause cannot be determined, empiric therapy with an antiemetic is appropriate.

THOMAS H. TROJIAN, MD, and STEPHANIE M. CHU, DO

This progressive condition causes the fibrous tissue of the palmar fascia to shorten and thicken, which slowly progresses to contracture of the fingers. Treatment decisions should be based on the extent of the contracture and functional impairment.

ROBERT KRAFT, MD

Diagnosis of cysticercosis in the United States requires a high index of suspicion. Symptoms can include seizures, headaches, focal neurologic symptoms, visual disturbances, skeletal muscle nodules, and pain.

Patient information: "Cysticercosis: What You Should Know," p. 98.

AMY L. McGAHA, MD; ELIZABETH GARRETT, MD, MSPH; ANN C. JOBE, MD, MSN; PETER NALIN, MD; WARREN P. NEWTON, MD, MPH; PERRY A. PUGNO, MD, MPH; and NORMAN B. KAHN, JR., MD

This article provides answers to many questions medical students ask about the specialty of family medicine. It discusses the benefits of primary care and family medicine to communities, the education and training of family physicians, the scope of medical practice in the specialty, and issues related to lifestyle and medical student debt.

Editorial: "Inspiring Future Family Physicians: The Challenge Is Ours," p. 36