On the occasion of World COPD Day on November 18, Dr Shital Raval tells you how to heal lungs weakened by smoking. 

Cigarette smoking is the leading cause of Chronic Obstructive Pulmonary Disease or COPD. Patients with COPD have impaired lung function, and one of the first things that you have to do to improve lung function is to quit smoking.

Asok Mitra, 80, used to smoke almost 100 cigarettes a day. He has been smoke-free for 40 years, but tobacco has taken its toll. He tells us why and how he quit. 

1. Please tell us a bit about your condition.

Maintaining good oral health is more than just about keeping cavities at bay. Your dental health has far-reaching consequences on your body, with oral bacteria being linked to many life-threatening conditions, like cardiovascular and respiratory diseases, renal health and even brain abcess.

Oral hygience and overall good health 

Trees are saving more than 850 human lives a year and preventing 670,000 incidences of acute respiratory symptoms. http://www.sciencedaily.com/releases/2014/07/140725163557.htm