Mounting evidence also points to secondhand smoke exposure as a cause or aggravator of a variety of adverse respiratory conditions including asthma, pneumonia, bronchitis, reduced lung function, sinusitis, and COPD
The device enables us for the first time to compare responses of human small airway tissues, from both normal individuals and COPD patients, before and after they are exposed to cigarette smoke delivered through physiological breathing outside the human body, explains Donald Ingber, the founding director of the Wyss Institute and the lead researcher of the study
15, 2007, and are therefore grandfathered, which means they dont have go through the pre-market review process
Unaided smoking cessation: Great American Smokeout and New Years Day quitters