Fruits and vegetables of all kinds can rescue her from the ravages of lung cancer but the best are those rich in beta carotene, an orange pigment in carrots isolated 150 years ago.
Beta carotene is concentrated in orange vegetables and green (the green chlorophyll hides the yellow), and the darker the color, the higher the beta carotene. I recommend reading the article (lung cancer and deficiency of vegetables)
This substance, which counteracts the lung cáncer has been described as the morning after pill because it cancels cancer in animals fed a potent carcinogen.
In humans, the probability of getting lung cancer is reduced by 40% to 70% in regular consumers of beta-carotene, as indicated by almost all epidemiological studies conducted over the past ten years.
A typical study is that of the State University of New York at Buffalo. He showed that eating vegetables rich in beta carotene more than once a week, significantly decreased the risk of cancer, when compared with the risk of people who did not eat these plants.
