Dr. Paul S Harkaway M.D.

A new study has shown that asthma treatment may not actually increase the risk of birth defects as generally thought. This is reassuring news for many pregnant women who have asthma and need treatment. There was a very mild increase in the risk of rare birth defects in women who took the medication...

Patients who are diagnosed with chronic obstructive pulmonary disease (COPD) should expect mucus production that is tenacious, long-term coughing, and extreme fatigue. The main concern with COPD is if permanent scars have developed in the lungs. If scarring does occur, the condition cannot be cured...

What is pulmonary tuberculosis?Pulmonary tuberculosis or (TB) indicates a contagious bacterial infection involving the lungs but can also spread to various parts of the human body.What are the symptoms of pulmonary tuberculosis?People suffering from this lung condition would commonly experience the...

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...

Lung Cancer: There are two main types of lung cancer; small cell lung cancer (SCLC)  and non-small cell lung cancer (NSCLC). These two types of lung cancers are based on the way the tumors grow and spread. Lung cancer has the highest rate of death toll out of all cancers in the US. The main causes...

Because cystic fibrosis affects nearly the entire body, all too many people with this genetic disorder think about their symptoms and outlook then fall into a pit of despair. Not everyone. And certainly not Mae Johnson, a 14 year old girl from Adelaide, Australia.In fact, this enterprising teenager...