Dr. Walfredo J. Leon M.D.

Asthma refers to the chronic inflammatory disease of the respiratory system. The causes for asthma differ depending on the individual. During an asthma attack, the airways become narrow, inflamed, and begin to fill with mucus. This makes breathing a difficult task, and leads to coughing and...

People who consume cured meat, like bacon and salami, possess a greater risk of having a flare-up of chronic obstructive pulmonary disease (COPD), according to reports researchers. COPD entails several lung diseases that are chronic, including bronchitis and emphysema. These chronic lung conditions...

Researchers have recently found that the simple procedure of inhaling hypertonic saline solution, or HSS, can increase sputum production and improve pathogen identification in children. This breakthrough will act as a benefit to many suffering from cystic fibrosis who are unable to spontaneously...

Pneumonia is a serious lung infection that can be caused by bacteria, viruses, or fungi. It is a common disease, especially among the elderly and bed-ridden patients. Although it is quite serious, it can be easily treated....

An Overview of Viral Pneumonia: What is it? Pneumonia is the inflammation of your lung tissue. It can be caused by bacteria, viruses, or fungi. Viral pneumonia is a result of untreated flu. When left untreated, the viruses somehow reach your lungs causing inflammation and swelling of the airways....

Cystic fibrosis (CF) is an inherited disease that is caused by a defect in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. The CFTR protein is responsible for controlling the transportation of salt in and out of cells. Any mutations in the CFTR gene can cause an imbalance in the...