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 CHRONIC COUGH. The most common causes of chronic cough are postnasal drip, asthma, and acid reflux from the stomach. These three causes are responsible for up to 90 percent of all cases of chronic cough. Less common causes include infections, medications, and lung diseases.owever, some people have so-called silent postnasal drip, which causes no symptoms other than a cough. Asthma â Asthma is the second most frequent cause of chronic cough in adults, and is the leading cause in children. In addition to coughing, you may also wheeze or feel short of breath.