2. Genetic Factors for Smoking Boost Chronic Bronchitis Risk
Swedish study says it's first to quantify heritability of the disease

3. Study Links Snoring to Chronic Bronchitis
Reasons for the association are unknown, researchers say

4. Chronic obstructive pulmonary disease : Symptoms  (Trust Mark: Doctor-Reviewed)
Cough that produces mucus - may be streaked with blood; Fatigue; Frequent respiratory infections; Headaches; Shortness of breath (dyspnea) that gets worse with mild activity; Swelling of the ankles, feet, or legs, which affects both sides; Wheezin...• Reviewer: Benjamin Medoff, MD, Assistant Professor of Medicine, Harvard Medical School, Pulmonary and Critical Care Unit, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

5. Bronchitis  (Trust Mark: Doctor-Reviewed)
Bronchitis is an inflammation of the air passages between the nose and the lungs, including the windpipe or trachea and the larger air tubes of the lung that bring air in from the trachea (bronchi). Bronchitis can either be of brief duration (acut...• Author: Tish Davidson