Here are just a few of the harmful health effects of smoking pipes and cigars: Cancer. Even if you don't inhale, you can get a number of different cancers from smoking pipes and cigars. People who smoke cigars regularly are four to 10 times more likely than nonsmokers to die from cancers of the mouth, larynx, and esophagus.
Cystic fibrosis is a recessive disorder. In a recessive disorder, both parents must carry a copy of the abnormal gene for the problem to occur in their child. A person who has one copy of an abnormal gene for a recessive disorder is a carrier for that disorder, even though he or she may show no signs of it.
The genetic basis for CF is a well-characterized, severe monogenic recessive disorder, found predominantly in Caucasian populations of European ancestry, that arises from mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.