The study found that if people eat more folate-rich green leafy vegetables, or regular multi-vitamin supplement (including vitamin A, C, K and folic acid, carotenoids, and lutein), the incidence of lung cancer, genetic mutation will be greatly reduced . Meanwhile, at least drink a cup of green tea daily smokers compared to daily smokers do not drink green tea lung cancer incidence rate increased by 12.7-fold. Scientists pointed out that this is because the tea (especially green tea) contained in a variety of polyphenols have anti-cancer effect.
