• This commentary discusses the need of interventions to increase health interventions. It also discusses various reasons for the preference of descriptive and risk factor studies over intervention studies and the ways to overcome this trend.
Mitchell H. Katz, MD, is Director, Public Health, City and County of San Francisco, California. He is also a professor of Medicine, Epidemiology, and Biostatistics at the University of California, San Francisco, California.
Corresponding Author: Mitchell H. Katz, MD, San Francisco Department of Public Health, 101 Grove St, Room 308, San Francisco, CA 94102 (firstname.lastname@example.org).
The author thanks Nancy Adler, PhD, Andrew Bindman, MD, Rani Marx, PhD, Steven Schroeder, MD, and Tomás Aragón, MD, DrPH, for reviewing earlier drafts and making many helpful suggestions.