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A diet
high in fat and calcium does not appear to increase risk of
prostate cancer, but it may increase the risk that prostate
cancer will develop into a more aggressive disease, according
to researchers at the Fred Hutchinson Cancer Research Center.
A report
on the new study, appearing in Cancer Epidemiology, Biuomarkers
and Prevention, a journal of the American Association for
Cancer research, looked at the linkage between total calorie,
fat, calcium and vitamin D intake and prostate-cancer risk
among 1,200 Seattle-area men ages 40 to 64.
The researchers
found that men who ate lower-fat diets, with fat accounting
for no more than 30 percent of their daily calorie intake,
had the same risk as others of early-stage prostate cancer
but only half the risk of late-stage cancer.
The researchers
also found the risk of advanced prostate cancer was more than
double for men who consumed the equivalent of four or more
glasses of milk daily.
"Our
findings clearly show decreased risk for late-stage disease
in men with diets that are low in fat and moderate in calcium,
perhaps because these diets slow progression of prostate cancer
into more aggressive disease," said Alan Kristal.
"For
men diagnosed with early-stage prostate cancer, this finding
could be important because it suggests that moderating fat
and calcium consumption may reduce the risk of cancer recurrence
following treatment," he added.
Source:
Prostate Cancer
Week of August 11, 2002
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