http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. An impaired ability to handle oxidative stress that arises from exposure to secondhand smoke and other environmental triggers may contribute to the development of asthma, according to results obtained from the Shanghai Women's Health Asthma and Allergy Study. The results of the study suggest regulating the body's antioxidant defense system may play an important role in asthma prevention. http://medicalxpress.com/news/2011-05-inability-combat-oxidative-stress-trigger.html Diseases, Conditions, Syndromes Mon, 16 May 2011 17:02:17 EST news224784127