Epidemiology

HIV Is Still Very Concentrated in America's Cities

Ninety-two percent of new diagnoses occur in just a quarter of U.S. counties, and most of them are urban.

Reuters

Anxiety, Traditional Medicine, and Plenty of Purell: Beijing Watches and Waits for Bird Flu

"From day one we were getting a lot of phone calls from nervous patients."

Shutterstock

The Emerging Link Between Cities, Stress, and Psychosis

A growing line of research may ultimately help us design healthier cities.

Reuters

City Smog Linked to Cognitive Deficits in Children

A growing body of evidence connects urban pollution with harmful brain alterations