A diet high in carotenoids—fat-soluble antioxidants found in vegetables and fruits—is strongly associated with a lower risk of one type of breast cancer.
A. Heather Eliassen, ScD, of Harvard Medical School, and her colleagues analyzed data from eight published studies on carotenoids and breast cancer risk. These studies included a total of 3,055 women who had been diagnosed with breast cancer and 3,956 control subjects without breast cancer.
Lycopene was associated with a 22 percent lower risk of breast cancer, while total carotenoids were associated with a 19 percent lower risk. Other carotenoids, including beta-carotene, alpha-carotene, and lutein/zeaxanthin were also associated with lower risk.
Beta-carotene was related to a 48 percent lower risk of...
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