A new study published in the July 18, 2003 issue of the British medical journal The Lancet reopens the question of whether women who eat high-fat diets increase their risk of breast cancer.
The study-which followed 13,070 women who kept dietary records from 1993 to 1997-found that those who average more than 90 grams of fat a day have roughly double the risk of those who eat just 37 grams. That finding will be controversial because it contradicts previous large studies that found no link between what women eat and their risk of this common cancer. The Cambridge University researchers behind the new study say their design was better because it used a more precise method of measuring women's typical diets.
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