Medscape is mourning the loss of Bret Stetka, MD, an executive editor who covered neuroscience with curiosity and authority for the last 15 years. Stetka, who was 43, died on August 6 after a brief illness. Bret Stetka, Long-Time Medscape Editor A nonpracticing physician, Stetka was equally comfortable writing about complex science for an audience of neuroscientists as he was documenting the effect of modern technology on the mind for a broader audience.