Yoga has long been touted as an excellent way of maintaining the body both inside and out. Yoga encompasses both mental training as well as physical training and people of all ages can do it. There are special body postures and different breathing techniques which can help with illnesses related to stress and also illnesses that cause stress to the circulatory system and the respiratory system. Bronchitis and asthma are two respiratory conditions which could see quite an improvement with the introduction of yoga into your life.