If your mom was one to harp on you about eating your vegetables, it was likely because she knew how good veggies are for the body. Moms everywhere now have research on their side.

A large study of 500,000 American retirees has shown that increasing consumption of fruits or vegetables is enough to reduce the risk of head and neck cancer. Specifically, eating six servings of fruit and vegetables per day per 1,000 calories cut the risk of these cancers by 29 percent compared to eating one and a half servings.


"It may not sound like news that vegetables protect from cancer, but there is actually some controversy in the literature," says Dr. Alan Kristal, associate head of the cancer prevention program at Fred Hutchinson Cancer Research Center in Seattle.
Clearly, diet plays a role in cancer. Experts believe that up to two-thirds of all cancer cases stem from lifestyle factors such as smoking, lack of exercise, and diet. So keep crunching those carrots and growing those green beans. You'll make your momma proud.