The holidays are almost here and festive food is everywhere. "While these foods are delicious to eat, some have the added bonus of containing cancer-preventing nutrients," says Stephanie Meyers, MS, RD/LDN, a nutritionist at Dana-Farber Cancer Institute in Boston. Pumpkin isn't just for pie Pumpkin can be a holiday staple for many families. And for some, it may be one of the tastiest ways to enhance the body's own natural cancer fighting ability, notes Meyers.