KYLE J. CASSAS, M.D., and AMELIA CASSETTARI-WAYHS, M.D.

Children and adolescents who engage in sports may be particularly at risk for overuse injuries. Most of these conditions can be managed conservatively with timely diagnosis and proper treatment.

KAREN L. MAUGHAN, M.D., STEVEN W. HEIM, M.D., M.S.P.H., and SIM S. GALAZKA, M.D.

The risk of postpartum hemorrhage may best be reduced through active management of the third stage of labor. Active management includes administration of uterotonic medication after delivery of the baby, controlled traction of the umbilical cord, and early umbilical cord clamping and cutting.

David B. Carr, M.D., JANET M. DUCHEK, PH.D., THOMAS M. MEUSER, PH.D., and JOHN C. MORRIS, M.D.

In determining whether patients with dementia should stop driving, physicians should assess pertinent cognitive domains, determine the severity and etiology of the dementia, and screen for risky driving behaviors. Some states require reporting of specific medical conditions.

Patient information: "Driving and Dementia: What You Should Know," p. 1035

ALEX MELAMUD, M.D., RAKHEE PALEKAR, M.D., and ARUN SINGH, M.D.

Untreated, this intraocular malignancy causes death from intracranial extension and disseminated disease within two years. However, new diagnostic and treatment methods allow for a high cure rate. Diagnosis typically is made at 12 to 24 months of age, and the most common presenting symptom is leukokoria (white reflex).

STEVEN SHEARER, PH.D., and LAUREN GORDON, M.D.

Patients with excessive worry may present not with this complaint but with another problem (e.g., insomnia), or may display vague physical symptoms or a somatic syndrome (e.g., irritable bowel syndrome). Antidepressants and cognitive behavioral techniques delivered in primary care can help ameliorate excessive worry.

Patient information: "What You Should Know About Worrying Too Much," p. 1057