Lung cancer is the most common type of cancer in the U.S. and is the leading cause of cancer death in the country. This and other lung diseases, such as emphysema, chronic obstructive pulmonary disorder, or COPD, pneumonia, asthma and cystic fibrosis all cause breathing difficulty and lung damage. In addition, poor air quality and smoking contribute to lung damage. Fortunately, there are some foods that help heal the lungs, regardless of the source of damage.
Dairy and Animal-Based Foods
The "International Journal of Tuberculosis and Lung Disease" published a study review by Mexican researcher I. Romieu in 2005 that suggested foods high in vitamin A, a derivative of beta-carotene, and other antioxidants might help to heal diseased lung tissue. Vitamin A found in milk, cheese, eggs and liver are best absorbed by the body when compared to plant-based foods or cereals fortified with the vitamin. Vitamin A intake is especially important for patients with immune deficiency diseases.
Nuts, Seeds and Vegetable Oils
Another antioxidant, vitamin E, is found in high concentrations in nuts, seeds and vegetable oils. This vitamin has also been found to contribute to increased lung health and improved function for chronic lung disease sufferers. Almonds, wheat germ oil, sunflower seeds, peanuts and peanut butter are some of the more common foods in this category.
Fruits and Vegetables
"Nutrition in Clinical Practice" published a study by Baylor University researchers in 2009 that found avoidance of air pollutants and increased consumption of fruits and vegetables were the best ways to heal lungs and prevent lung cancer. This is largely due to the high concentrations of vitamin C found in these foods. Vitamin C is an antioxidant that helps to reduce inflammation and improve the body's immune response when damage occurs to the lungs.
Oranges, grapefruit and other citrus fruits contain high levels of vitamin C; dark-colored fruits and vegetables such as carrots and tomatoes are also good plant sources of vitamin A, and leafy greens like spinach and kale contain high concentrations of vitamin E. However, conflicting studies have found that high vitamin A intake by smokers may contribute to incidence of lung cancer. Further research is needed to determine the level of aid vitamin A provides to damaged lung tissue.
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