One theory of asthma, dubbed the hygiene hypothesis, holds that it stems from lack of exposure to immune-tolerizing microbes early in life. This theory appears to have gotten a big boost from . In this 150-second video analysis, ľֱ clinical reviewer F. Perry Wilson, MD, takes a closer look.
, is an assistant professor of medicine at the Yale School of Medicine. He earned his BA from Harvard University, graduating with honors with a degree in biochemistry. He then attended Columbia College of Physicians and Surgeons in New York City. From there he moved to Philadelphia to complete his internal medicine residency and nephrology fellowship at the Hospital of the University of Pennsylvania. During his post graduate years, he also obtained a Master of Science in Clinical Epidemiology from the University of Pennsylvania. He is an accomplished author of many scientific articles and holds several NIH grants. He is a ľֱ reviewer, and in addition to his video analyses, he authors a blog, . You can follow .