Do you know someone who has COPD? According to the Mayo Clinic article “COPD” at https://www.mayoclinic.org, symptoms of chronic obstructive pulmonary disease (COPD) include difficulty breathing, cough, mucus (sputum) production and wheezing. Other signs and symptoms may include chest tightness, blue lips or fingernail beds, lack of energy, and swelling in ankles, feet, or legs. […]