Dr. Raj Bahadur Dhakhwa M.D.

The mucous membranes in the airways of people with cystic fibrosis produce mucus that is thick and viscous, more solid than is produced by healthy people, which leads to all sorts of problems in the patient.As anyone with CF knows, the reason the mucus thickens is because the proteins that form the...

Canada has the highest rate of cystic fibrosis in the entire world, with approximately 1 in 134 citizens suffering from the disease. However, a recent drug that has been found to be "life changing" for some cystic fibrosis patients is not being funded.Official responseHealth Minister Adrian Dix...

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...

IntroductionMucus is a moist film, which helps keep your nose from drying out and protect your lungs from foreign substances, such as bacteria, viruses, dust, and other harmful intruders. It keeps you healthy but you may only notice it whenever you are sick. Mucus becomes thicker when you are sick,...

What is chronic bronchitis?Chronic bronchitis is defined as a persistent cough with sputum production for at least three months in at least two consecutive years in the absence of any other identifiable causes.Chronic bronchitis is also commonly known as the smoker’s cough. This is due to the fact...

Pulse oximeters measure the pulse rate of an individual, which is usually marked by a small heart. This is the first number that appears while using a pulse oximeter.  It also measures the proportion of oxygenated hemoglobin in the blood within pulsating vessels. This determines the level of oxygen...