Dr. Fahim Zaman Khan M.D.

Moving from pediatric CF to adult CF medical care is an essential transition for young adults living with cystic fibrosis (CF). This transition period is a crucial and significant step in maintaining stable health well into adulthood. Most individuals with CF transition from pediatric CF to adult CF...

Every day when Kate Daly, a teen from Canberra, joins her friends for lunch at Radford College, she has to open a small package that her mother, Ellen, tapes to her lunchbox.Inside the package is Kate's daily dose of digestive enzymes. Kate has to take these enzymes with every single meal. Her mom...

A cough is described as a sudden explosive exhalation of air. It is basically a body's defense mechanism to protect and clear the airways from inhaled foreign materials. People may also voluntarily or spontaneously cough. Coughs often vary and may be characterized by productive (chesty or wet) or...

Chronic obstructive pulmonary disease or COPD refers to a group of respiratory diseases characterized by blockage of the airways and difficulty in breathing. The most common respiratory conditions that fall into the group are chronic bronchitis and emphysema. The damage caused by COPD to the...

What is pneumonia?Pneumonia is an acute lung infection that causes inflammation of the air sacs in either one or both lungs. The air sacs get filled with fluid or pus, making it difficult for the affected person to properly breathe. Individuals who have contracted the infection usually cough and...

Acquired immunodeficiency syndrome, or AIDS, is a serious secondary immunodeficiency disorder. AIDS is caused by human immunodeficiency virus (HIV). There is progressive destruction of cell-mediated (T cell) immunity. Also, both conditions are characterized by subsequent effects on humoral immunity...