Fruits and Vegetables Are Associated With Lower Lung Cancer Risk Only in the Placebo Arm of the Beta-Carotene and Retinol Efficacy Trial (CARET)

Consistent consumption of generous portions of fruits and vegetables may help curb the development of lung cancer in individuals who are not using beta carotene supplements.

This study determined the risk of lung cancer based on the level of consumption of fruits and vegetables. Researchers studied the dietary information of 14,120 individuals covering a 12-year period. A total of 742 participants developed lung cancer during the course of the study. 

Researchers noted that higher consumption of fruits and vegetables was associated lower rate of diagnosis of lung cancer. The protective effect of fruits and vegetables against lung cancer did not extend to participants receiving beta carotene supplements. This study adds to the evidence suggesting that individuals can slash their risk of lung cancer by adding more fruits and vegetables to their diets.