Role of Various Carotenoids in Lung Cancer Prevention

Consistent evidence suggests that high intake of fruits and vegetables is associated with a reduced risk of lung cancer. In accordance with the hypothesis that this association is due to b-carotene, a considerable part of the observational studies on the intake or serum concentration of b-carotene has reported an inverse association with lung cancer risk (1). Large intervention trials testing the effect of b-carotene supplementation that leads...