Regularly exercising, drinking green tea, and eating anti-inflammatory foods are lifestyle changes that may improve lung health and decrease the risk of health conditions. read the article in spanish. Natural ways to cleanse your lungs. 1. steam therapy. steam therapy, or steam inhalation, involves inhaling water vapor to open the airways and help the lungs drain mucus. people with 2. controlled coughing. 3. drain mucus from the lungs. 4. exercise. 5. green tea. Many disorders, common irritants and microbes can cause lung congestion. high blood pressure or heart problems can fill your lungs with fluid because your heart isn't pumping properly. allergies and air pollution cause your bronchial tubes to increase mucous production. Continued. eat (and drink) a diet rich in antioxidants. eating lots of blueberries or kale salads won’t undo years of damage from smoking. but research shows that eating more fruits and. See more videos for lung health tea. Ingredients: 1 1/2 cups of water ...