Answer: The correct answer is emphysema.
Explanation: Physical activity has shown to be one of the most important key elements in pulmonary disease rehabilitation with certain exercises being more pertinent than others.
Doctors usually recommend to people diagnosed with emphysema stretching exercises, breathing exercises and aerobic exercises to improve the prognosis.
In conclusion, physical activity helps to reduce certain chronic diseases such as emphysema.
The exercises should be recommended by Doctors, because some of them may worsen the condition.