There are many ways that we can do to avoid things that can harm our lungs. First on the list is never smoke. Cigarettes contain toxins that are the number one cause of lung cancer. Some of have started smoking and quitting that vice is terribly hard. So if you are not a smoker and you have never tried smoking, do not dare try it or else you will end regretting why you did it.
Observe healthy living. Eat foods that are good for your health, take time to exercise and load your body with supplements and others. Protect your lungs before it is too late.