William E. Berger, MD, is one of the nation's foremost experts on allergies and asthma. He practices both adult and pediatric allergy and asthma in Mission Viejo, Calif., and is clinical professor in the College of Medicine, Division of Allergy and Immunology at the University of California, Irvine. He is the author of the widely acclaimed Allergies and Asthma for Dummies?, as well as many academic papers and general press articles in the field of allergy and asthma. He frequently lectures at medical conferences throughout the world. Berger has also served as medical correspondent for the Orange County Newschannel, the Medical News Network, and ABC Television Network. He's been the subject of medical reports on allergies that have appeared on Lifetime Medical Television, Dateline NBC, and CNN. He's also been featured in medical articles published in Time, the Wall Street Journal, the Los Angeles Times, and MSNBC. Berger has received the title of Distinguished Fellow of the American College of Allergy, Asthma, and Immunology.