Dr. William Hughson is a pulmonologist in San Diego, California. He has an extensive medical experience of 44 years of practice. In 1972, Dr. Hughson graduated from the University of Calgary Faculty of Medicine. He is a board-certified specialist in three clinical areas: Occupational Medicine, Pulmonary Disease, and Internal Medicine. He is a member of the American College of Physicians. Dr. Hughson is a co-author of several published studies. Some of the topics he covered through his research are the fundamentals of mold-related illness, work-related disabilities, postpartum pleural effusion. Dr. Hughson is currently affiliated with the UC San Diego Health System.