Pneumonia is a potentially life-threatening respiratory infection that can affect people of all ages, but it is especially dangerous for the very young, the elderly,

Chronic obstructive pulmonary disease (COPD) is a common progressive lung disease that causes the lungs to become inflamed, damaged, and narrowed, making it hard for

Asthma is an inflammatory condition of the airways and the lungs. Asthma makes breathing difficult due to the narrowing or swelling of airways or excessive