DFCI Zakim Center
Commonly Asked Questions
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Does sugar increase cancer risk?Sugar does not “feed” cancer. All carbohydrates break down into glucose, which is the fuel source for all cells in the body, not just cancer cells. For optimal health, try to limit added sugars, like those found in soda, candy, flavored yogurts, to less than 24 grams a day for women and less than 36 grams a day for men. Enjoy plenty of natural sugar sources, like fruits and vegetables!
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Does dairy increase cancer risk?
For most types of cancer, dairy intake is not considered a major risk. Dairy intake likely protects against colorectal cancer. Aim for two or fewer servings a day of low-fat or fat-free dairy like plain yogurt or kefir.
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Does soy increase cancer risk?
Soy is safe to eat, even for those with ER+ breast cancer. Soy intake has actually been linked to a lower risk of breast cancer, though exposure to soy earlier on in life results in the most protective effect.
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Are grilled foods safe to eat?
Eating grilled food is not a major cause of cancer, but it does increase exposure to some chemicals that have been linked to cancer. Using lower fat cuts of meat, vinegar or lemon-based marinades, smaller cuts of meats like kebabs to reduce grill time, and balancing your meat with grilled vegetables can reduce the risk of exposure to these chemicals.