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Science Forum Index » Medicine - Cancer Forum » Onions And Garlic May Prevent Cancers
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| Author |
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| Roman Bystrianyk |
 Posted: Mon Nov 27, 2006 1:49 pm |
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Guest
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"Onions And Garlic May Prevent Cancers", CBS News, November 21, 2006,
Link:
http://www.cbsnews.com/stories/2006/11/21/health/webmd/main2203492.shtml
Better load up on the breath mints. A new study suggests eating lots of
garlic and onions may help prevent cancer.
Italian researchers found that people whose diets are rich in onions,
garlic, and other alliums have a much lower risk of several types of
cancer than those who avoid the pungent herbs.
Researcher Carlotta Galeone, of the Istituto di Ricerche Farmocologiche
"Mario Negri" in Milan, and colleagues say the health benefits of onion
and garlic have been touted for centuries, but few studies have been
able to prove the benefits.
Pungent Cancer Prevention
In their study, researchers used data from several Italian and Swiss
cancer studies to look at the relationship between onion and garlic
consumption and cancer at several body sites, including the mouth,
larynx, esophagus, colon, breast, ovary, and kidneys.
Overall, consumption of onions ranged from 0-14 portions per week among
cancer patients and 0-22 portions per week among those without cancer.
Garlic use was also lower among people with cancer, except for those
with cancer of the breast, ovary, or prostate.
Researchers found moderate consumption of onions appeared to reduce the
risk of colorectal, laryngeal, and ovarian cancers.
The protective effect was even greater among those who ate the most
onions compared to those who ate the least. People who ate the most
onions also had a lower risk of oral and esophageal cancers than those
who ate the least.
Moderate use of garlic was also associated with a lower risk of
colorectal and renal cell (a type of kidney cancer) cancers.
Again, the anticancer effect increased with the more garlic they ate.
People who ate the most garlic had a lower risk of all cancers except
breast and prostate cancers, which are mainly associated with hormonal
and reproductive issues, write the researchers.
Researchers say onion and garlic consumption could simply be a marker
for a healthier lifestyle and a diet high in a variety of potentially
cancer-fighting herbs and vegetables.
However, the protective effect of onions and garlic against cancer
remained significant even when they controlled for total vegetable
intake.
Their results appear the American Journal of Clinical Nutrition. |
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