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Monday, April 12, 2010

Grapefruit Increases Risk of Breast Cancer

Grapefruit juice contains a substance that increases plasma estrogen, which in turn leads to a greater risk of breast cancer. Researchers said, "An increased risk of similar magnitude was seen in users of oestrogen therapy."1

  1. "Prospective study of grapefruit intake and risk of breast cancer in postmenopausal women: the Multiethnic Cohort Study." Monroe KR, Murphy SP, Kolonel LN, Pike MC. Br J Cancer. 2008 Jan 15;98(1):240-1. PMID: 17622247.


dheong said...

Your post is very informative, it's sad to know that a fruit like this would trigger such illness. I've got to say, knowing the side-effects of the food you eat is really important.

William Cane said...

Yes, you are correct, it is important to know the side effects of various foods. I feel, however, that eating a few grapefruit occasionally, will not cause problems in most people.