Passive smoking status in cystic fibrosis

The condition of people with cystic fibrosis is, while passive smoking in the presence of a particular gene, doctors told the magazine American Medical Association. Cystic fibrosis - an inherited chronic disease that contributes to the sticky mucus in the lungs and leads to life-threatening lung infections and digestive problems. Researchers retrospective analysis of lung function was performed for a combination of environmental and genetic factors, said Garry R. section of Baltimore. Scientists examined 812 persons, of which on average 19.5 people were sick, and found that those exposed to secondhand smoke was reduced lung function by 10 percent. American scientists have found that passive smoking and the presence of TGFbeta1 gene doubled negative effect on lung function and worsen the condition of patients with cystic fibrosis.