Test your lung fitness at home: Simple walks, stairs, and breathing checks

People sometimes say that they are out of breath because they are "poor stamina" or because they are older, heavier, or stressed. But just like the heart, the lungs can start to lose fitness without anyone noticing—long before a serious illness is found. The good news is that you don't necessarily require hospital machines to see early warning signs. You can examine the health of your lungs by doing simple things you do every day. This will help you determine whether to see a doctor. This is more important than ever in India right now. Recent health predictions from 2025 reveal that over 15–20% of Indian adults have chronic respiratory symptoms such wheezing, coughing, or shortness of breath. Air pollution, smoking, lung alterations after COVID, and more occurrences of asthma and COPD