Chronic bronchitis is one of the two main types of chronic obstructive lung disease (COPD). The other is emphysema. Most people with COPD have symptoms of both conditions. In chronic bronchitis, ...
Cigarette smoking, for example, is responsible for nearly 90% of all lung cancer deaths and 80% of chronic obstructive pulmonary disease (COPD), which includes things like emphysema and chronic ...
CHENNAI: During Deepavali, the bursting of crackers brings high levels of sound, light, and smoke. Of them, smoke emission is the most hazardous for children ca ...