Dr. Roy Carl St john MD

At just one month old, Raelyn Copeland from Slidell, Louisiana was diagnosed with cystic fibrosis, a hereditary disorder characterized by the accumulation of mucus in the lungs that makes it difficult to breathe properly. Her mother, Angela Spencer, immediately began to advocate, campaign, and hold...

Muscular dystrophies are a group of diseases that make the muscles of the body weaker over a period of time. The muscles become less flexible in this condition. Out of the nine types of muscular dystrophy, Duchenne muscular dystrophy is one of the most common.The main characteristics of this medical...

Many people live life without realizing that they have COPD – the umbrella term for emphysema and bronchitis – even though it is a common disease.Long-term smokers will most likely have scars on their lungs that will become inflamed and irritated due to COPD. Patients tend to complain, but fail...

Pleurisy is the inflammation of the pleural membranes that line your lungs and the inside of the chest wall. It is a very painful condition that is often exacerbated by deep inspiration. Most patients with pleurisy present a sharp, stabbing-like pain over one side of the chest that aggravates while...

There are several types of pneumonia that vary in their degree of seriousness. Pneumonia caused by a viral infection can make people feel very sick with fever, cough, and tiredness. However, viral pneumonia tends to go away on its own after some time. A "walking pneumonia" is a mild case of...

Emphysema is a form of chronic lung disease and one of the main types of chronic obstructive pulmonary disease (COPD). This disease is regarded as "obstructive" because people who are suffering from emphysema exhale air as if there is an obstruction. There are various factors that can cause...