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Study suggests garlic,
shallots and onions may fight prostate cancer
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(AP) WASHINGTON
A diet rich in garlic, shallots and onions may cut
the risk of prostate cancer in half, according to
a study.
The study, appearing this week in the Journal of
the National Cancer Institute, is based on
interviews with 238 men with prostate cancer and
471 men who were free of the disease.
Men in the study, all residents of Shanghai,
China, were asked how frequently they ate 122 food
items.
The results showed that those who ate more than a
third of an ounce (nine grams) a day from the
allium food group were about 50 percent less
likely to have prostate cancer than those who ate
less of the foods. The allium food group includes
garlic, scallions, chives, leeks and onions.
Scallions seemed to be the most protective.
According to the study, men who ate about a tenth
of an ounce or more a day of scallions reduced
their prostate cancer risk by about 70 percent.
For garlic consumption of the same amount, the
prostate cancer risk was reduced by about 53
percent.
"The reduced risk of prostate cancer associated
with allium vegetables was independent of body
size, intake of other foods and total calorie
intake and was more pronounced for men with
localized than with advanced prostate cancer," the
study authors reported.
The authors acknowledged that there were "several
potential limitations" to the study, including its
dependence on self-reported food consumption data.
The study was conducted by researchers at the
National Cancer Institute, one of the National
Institutes of Health, and at the Shanghai Cancer
Institute.
On the Net:
Journal of the National Cancer Institute:
http://jncicancerspectrum.oupjournals.org/jnci/ |
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