The respiratory system is always working and acting as a carrier of oxygen for the entire body. It has the powerful potential to prevent entry of irritants, pollutants, dust, harlfum organisms, fungus, and other such toxins. But, sometimes, especially in people with a weak immune system, the respiratory system may fail to keep toxins out, leading to common lung problems. But then nature has provided a number of remedies in the form of herbs and botanicals to provide nutrition to weakening lungs. Watch this video to fight common lung problems with ease.