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Immune-Boosting Foods

Pumpkin

Pumpkin

This wintertime super food does double duty as a health booster: Its flesh is loaded with immune-boosting beta carotene, while its seeds are packed with zinc, which helps the body resist infection. To really bolster your immune system, cut a small pumpkin in half, remove and roast seeds to have as a snack later. Bake pumpkin halves in the oven and stuff with wild rice, dried cherries and walnuts. 

By Rachel Meltzer Warren, MS, RD. Rachel is a New York City-based nutrition writer, educator and counselor, and owner of Nutritionista Communications + Consulting. Published October 27, 2010.