Pneumonia risk factors

Editor(s)-in-Chief: C. Michael Gibson, M.S., M.D. [mailto:mgibson@perfuse.org] Phone:617-632-7753; Philip Marcus, M.D., M.P.H.[mailto:pmarcus192@aol.com]

Overview
The risk factors include:
 * Smoking
 * Age
 * Immunosuppression
 * Exposure to chemicals