What is pH. pH is a measure of the hydorgen ion concentration of a solution. Solutions with a high concentration of hydrogen ions have a low pH and solutions with a low concentrations of H+ ions have a high pH.This may seem like a confusion way to express these reationships, and it is, until you understand what pH stands for.hat is pH. pH is a measure of the hydorgen ion concentration of a solution. Solutions with a high concentration of hydrogen ions have a low pH and solutions with a low concentrations of H+ ions have a high pH.
Smokers often have a smoker's cough caused by damage to the lungs from their habit. Smoking is a strong irritant to the lungs. Cigarette smoke contains approximately 4000 different chemicals. It also contains tar and radioactive materials. A smoker's cough may indicate several different disorders that result from smoking.
Causes of Coughs. Acute coughs can be divided into infectious (caused by an infection) and noninfectious causes. 1  Infectious causes of acute cough include viral upper respiratory infections (the common cold), sinus infections, acute bronchitis, pneumonia, and whooping cough. Within the lungs both common and uncommon conditions cause chronic cough. 2  Common causes include asthma, emphysema, and chronic bronchitis. 3  Less common causes of lung-induced chronic cough include cancer, sarcoidosis, diseases of the lung tissue, and congestive heart failure with chronic fluid build-up in the lungs.