Dr. Alan Brent Moy MD

The human respiratory tract starts at the nose and mouth and continues down to the lungs. The air that we breathe in through our nose and mouth passes down the trachea and into the lungs through a series of branched tubes called the bronchi. For a healthy breathing to happen effectively, these tubes...

Vincent Forknor is an 8-year-old boy from Ramsey, Cambridge in the United Kingdom who has Cystic Fibrosis (CF). He has recently started playing the bagpipes, and his family has noticed an improvement in his CF symptoms since he began this new hobby. Vincent takes common CF medications and undergoes...

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...

Bronchial tubes are the airways through which air travels and reaches the lungs. The inflammation of these bronchial tubes is called bronchitis. The inflammation is more often caused by a viral infection, smoke, dust, or other irritants.Bronchitis may be due to a chest infection, inflammation of...

What is muscular dystrophy?Muscular dystrophy is an inherited disorder, which is often characterized by a progressive type of muscular degeneration and weakness. There are several types of muscular dystrophy, wherein each type eventually leads to an increased disability, strength loss, and potential...

Sputum is a combination of mucus coughed up from the respiratory tract and saliva. It is usually a result of diseases or infections. Phlegm and sputum are often interchangeably used. Sometimes, the term mucus is used when referring to sputum or phlegm. However, mucus is also produced in the...