Diseases affecting lungs are very common in our country. In fact more than 50 percent of patients attending a hospital have at least one respiratory symptom like cough or breathlessness. Some studies have shown that almost 25 percent of school going children in Kerala has asthma. Environmental pollution and smoking are directly affecting our lungs leading to diseases like COPD (Chronic Obstructive Pulmonary Disease) and Chronic Bronchitis. Tuberculosis is still rampant in our country affecting rich and poor alike. Life-style related problems like obesity can lead to diseases like Obstructive Sleep Apnoea, which if undiagnosed can cause various complications like excessive daytime sleepiness, difficulty to control Blood Pressure and Diabetes.