Medical Knowledge

Lessons From the Political History of Epidemiology for Divisive Times

Historical precursors of the field we now call epidemiology date back to Hippocrates. Modern epidemiological science, however, developed as domestic and international infectious disease transmission accompanied industrialization, some nations’ economic growth, and colonial powers’ military expansion and dominance. This article…

Adolescent-Centered Sexual and Reproductive Health Communication

This JAMA Insights explores how clinicians can effectively communicate person-centered health care information to adolescents regarding sexual and reproductive health, contraception, and sexually transmitted infection testing and treatment.

Chest Pain in a Middle-Aged Man

A man in his mid-50s presented with chest pain lasting 30 minutes. The initial electrocardiogram showed type A preexcitation syndrome, with obvious ST-segment depression in leads V3 through V5 and positive delta wave. What would you do next?

Bilateral Retinal Nerve Fiber Layer Thickening in a Middle-Aged Woman

A middle-aged Hispanic woman presented for evaluation of an asymptomatic epiretinal membrane in the left eye. She had an ocular history of amblyopia in the left eye, a medical history significant for chronic neuropathy, ataxia, and myelopathy of unknown etiology,…