We cannot stop a thunderstorm; but we can carry an umbrella. Just imagine – if a blood relative has asthma, it is probably embedded in our genes, making our body vulnerable to painful attacks. Smoke or dust pollution may likely trigger dormant asthma genes, causing airway inflammation or painful constrictions that make it hard to breathe. Routine yoga stretches that expand the chest can help open up the airways to facilitate easier breathing. So it is with many common ailments.