Dr. Mark K Yamanaka M.D.

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...

Introduction An unpleasant sensation of rapid breathing or difficulty breathing is known as breathlessness. People sometimes complain of feeling winded, puffed, or out of breath. Medically, it is called as dyspnea. Breathing may hurt and the person may feel tightness in the chest. It is normal to...

What is a hookah?Hookahs are basically water pipes that are used for smoking. Specially made tobaccos for hookah smoking are available in various flavors such as chocolate, watermelon, apple, mint, coconut, cherry, and licorice. Even though others feel that smoking hookah is a safer alternative to...

You may be a patient concerned about the symptoms of pneumonia or you may have a friend or relative with symptoms suggestive of pneumonia. There are no universal symptoms that apply to every individual. The symptoms will vary from person to person and depend on the specific situation of each and...

Sue Britton, a 47-year-old woman has cystic fibrosis. In her 20s, she became tired of being known and labeled as the ‘sick girl’, so she left her home to embark on a 7-month journey around the world. The fact that she had cystic fibrosis and needed medication on a daily basis did not stop her....

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...