"it also clears out your lungs by forcing enough stale air out that it allows fresh air to enter into more areas of the lung. " 7. staying active "regular moderately intense activity is great for the lungs, and when you increase your daily activity you get three things done at once: healthy lungs, a healthier heart and a better mood," ryan says. Jan 23, 2015 · healthy lung vs. diseased lung. watch this video as beth turner, ches, manager of tobacco control with the american lung association describes the differences between a pair of healthy lungs and a pair of diseased lung diseased vs healthy lung lungs. the diseased lungs represent the damage caused from smoking roughly 1 pack of cigarettes per day for 20 years. Notice, after 30 years the inside of the lung has become covered with cancerous spots as well. image tiga: comparison of healthy lung and smoker's lung. a healthy lung is reddish in color. after smoking for many years the chemicals from the cigarettes...