Dr. David Abram Zisman MD

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...

Vitamin D, also known as the ‘sunshine vitamin’, is an important nutrient that the human body needs in order to maintain a healthy life – both physically and mentally. Vitamin D serves numerous vital bodily functions, including supporting the immune system, improving muscle function,...

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 guaifenesin?It is an expectorant. It helps to cough out mucus through the mouth. It is known to reduce chest congestion caused by infections, common cold or allergies, respiratory illnesses, and bronchitis. It is not used to treat cough caused by smoking and long-term breathing problems....

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...

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...