Pneumonia, a critical pulmonary disease, can influence people of any ages. It happens when the air sacs in one or both lungs become swollen and obstructed with mucus. This problem causes it hard to breathe and obtain sufficient gas into the circulation. There are multiple kinds of pneumonia, ranging from mild cases to critical illnesses, and it's v

Pneumonia is a common respiratory illness that affects the air sacs in your respiratory organs. It occurs when these air sacs swell up, making it difficult to take in oxygen. Various types of bacteria, microorganisms and fungi can cause pneumonia. Symptoms often present as a hacking cough, fever, shaking, shortness of breath and chest discomfort.