http://articles.mercola.com/sites/articles/archive/2008/01/02/smoking-linked-to-hearing-loss.aspxSmoking or exposure to cigarette smoke can be linked to an increased risk of hearing loss. The study, also suggests that nonsmokers who live with smokers are almost twice as likely to have hearing loss than those not exposed to smoke at home. About 30enCommunityServer 2008.5 SP1 (Build: 31106.3070)