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.
Asthma and allergies are not only two of the most common diseases but also two of the most overlooked. In the United States, 25 million people suffer from asthma and 50 million suffer from allergies, though many go untreated. Asthma and allergies are leading causes for hospital visits and missed days of work and school. Even worse, thousands die each year from asthma attacks and anaphylaxis allergic reactions.