KALYANAKRISHNAN RAMAKRISHNAN, MD, and DEWEY C. SCHEID, MD, MPH

Management of chronic insomnia should begin with nonpharmacologic therapies, such as relaxation therapy, exercise, and cognitive behavior therapy. Effective pharmacologic treatment options include benzodiazepine and nonbenzodiazepine hypnotics.

WILLIAM STANFORD, MD

Many imaging tests are available to help accurately and quickly diagnose patients with acute chest pain. The American College of Radiology has developed appropriateness criteria to rate and determine the applicability of each test and to help physicians make decisions regarding imaging and treatment.

MICHAEL H. BROSS, MD, KATHLEEN SOCH, MD, ROBERT MORALES, MD, and RAYFORD B. MITCHELL, MD

This virulent bacterium causes septicemia and necrotizing wound infection. Treatment includes antibiotic therapy; appropriate wound care; and, when indicated, supportive therapy in the intensive-care setting.

Patient information: "Vibrio vulnificus Infection: What You Should Know," p. 546

SY ATEZAZ SAEED, MD, RICHARD M. BLOCH, PhD, and DIANA J. ANTONACCI, MD

Use of herbal remedies and dietary supplements has increased in recent years, especially among persons with anxiety and depression. For several of these products, data show that the potential for benefit seems greater than that for harm with short-term use. Physicians and patients can collaborate to develop supplement strategies that minimize risks and maximize benefits.