example 5 use the result of example 3 to find the average rate of change of from 3 to 0 the average rate of change of from 3 to 0 is a 0 3 3 1 a difference quotient can also be used to define a function that allows us to determine the average rate of change
If you stop smoking at this point, the lungs are not damaged any further, though the damage that has already been done cannot be reversed. So, giving up smoking would be the first step towards controlling the progression of lung damage. Allergies too can affect the lungs and decrease its function.
Treatment for allergies may include over the counter allergy medications, prescription allergy medications, or even allergy shots. In the throat, allergies may cause a lump in the throat sensation, voice changes, or throat discomfort. Chronic cough and throat clearing may be a result of allergies as well.