"14 Foods for Healthy Lungs and Improved Breathing 8-14 Apples – Flavonoids, vitamin E, and vitamin C all help the lungs function at their best. Apples are rich in all of these and those who eat several a week have healthier lungs. Grapefruit – Naringin, a flavonoid in grapefruit, inhibits the activation of a cancer causing enzyme. White grapefruit contains a high amount of this flavonoid, though pink grapefruit has some too along with the antioxidant lycopene. Grapefruit is especially good at cleansing the lungs after quitting smoking. Beans, Seeds, and Nuts – These all contain rich amounts of magnesium, a mineral that contributes to healthy lung function. They also provide essential fatty acids that are good for the cardiovascular system. Carrots – These roots are rich in vitamin A, vitamin C, and lycopene, all antioxidants that affect lung health and lower the chances of developing lung disease. Oranges – Citrus is rich in vitamin C and vitamin B6. These help the lungs transfer oxygen. Pumpkin – Pumpkin is another food rich in beta carotene and vitamin C, like carrots. Red Bell Pepper – These mild peppers are rich in vitamin C and the carotenoids lutein and zeaxanthin. Carotenoids have been shown to cut the risks of developing lung cancer "

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