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Fruits, Vegetables Offer Little Cancer Protection

Study Finds Protective Effect of Diet Rich in Fruits, Vegetables Modest at Best

Fruits, Vegetables, and Cancer Risk: More Opinions

The National Cancer Institute's 5-a-Day program was then developed in 1991.

But later studies didn't confirm such a strong link, he says.

And the new study findings, Willett says, "add further evidence that a broad effort to increase consumption of fruits and vegetables will not have a major effect on cancer incidence."

Even so, he says, a diet rich in fruits and vegetables will reduce the risk of cardiovascular disease, and ''a small benefit for cancer remains possible."

It is still possible, he agrees, that certain substances in fruits and vegetables or specific fruits and vegetables will be found to have a stronger protective effect against cancer.

The study findings are no reason to cut back on fruits and vegetables, says Connie Diekman, RD, director of university nutrition at Washington University in St. Louis and past president of the American Dietetic Association.

"While we may not understand what all fruits and vegetables can do to help prevent disease and promote health, inclusion of more fruits and vegetables can aid satiety [feeling full and satisfied],  help reduce calorie intake, and certainly boost overall nutrition," she says.

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