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You’ll get the most out of this veggie’s cancer-fighting antioxidants by eating it raw; cooking onions at a high heat significantly reduces the benefits of phytochemicals that protect against lung and prostate cancer. Try combining chopped raw onions with tomatoes, avocado, and jalapeño peppers for a blood sugar–friendly chip dip. Finish with a splash of lime juice. Learn why you should never double dip, though.
On the cob or off, it’s all good! A study in the Journal of Agricultural Food and Chemistry found that the longer corn was cooked, the higher the level of antioxidants like lutein, which combats blindness in older adults. Here’s why you actually don’t need to cook corn on the cob.