Glycemic Load Tied to Breast, Prostate Cancers

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Glycemic Load Tied to Breast, Prostate Cancers
Glycemic Load Tied to Breast, Prostate Cancers

WEDNESDAY, April 6, 2016 (HealthDay News) -- Consumption of processed carbohydrates and sugary drinks may affect risks of breast and prostate cancers, according to findings presented at the American Society for Nutrition's Scientific Sessions & Annual Meeting at Experimental Biology 2016, held from April 2 to 6 in San Diego.

The new findings are based on 3,184 U.S. adults whose diet habits and cancer rates were tracked for more than 20 years. During that time, 565 people were diagnosed with cancer.

Compared with men who never drank sugary beverages, those who had them a few times a week showed more than triple the risk of developing prostate cancer. Prostate cancer risk was also heightened among men whose diets were generally high in glycemic load. The study also implicated processed lunch foods, including pizza, deli meats, and burgers. Men who ate those foods four or more times a week were twice as likely to develop prostate cancer, compared to men who had them no more than once a week, the researchers found.

At first glance, higher carb intake was tied to a lower risk of breast cancer. But the picture changed when carb quality was considered, lead author Nour Makarem, a Ph.D. candidate in nutrition at New York University told HealthDay. She said that women whose diets emphasized healthy carbs -- vegetables, fruit, whole grains, and legumes -- were 67 percent less likely to develop breast cancer, compared to women who favored refined carbs.

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