Skip to comments.Soy May Help Shield Asian-American Girls From Breast Cancer
Posted on 03/28/2009 3:01:56 PM PDT by nickcarraway
Aian-American women who consumed high amounts of soy during childhood appear to have reduced their risk for breast cancer, a U.S. National Cancer Institute study has found.
"Historically, breast cancer incidence rates have been four to seven times higher among white women in the U.S. than in women in China or Japan," Regina Ziegler, a senior investigator in the cancer epidemiology and genetics division at the cancer institute, said in an agency news release.
"However, when Asian women migrate to the U.S., their breast cancer risk rises over several generations and reaches that of U.S. white women, suggesting that modifiable factors, rather than genetics, are responsible for the international differences.
Precisely which environmental or lifestyle factors are involved, though, "remain elusive," she said. "Our study was designed to identify them."
The researchers interviewed 597 Asian-American women with breast cancer and 966 healthy women. When possible, the women's mothers also were asked about their daughters' soy consumption in childhood.
The study found that high soy intake during childhood was associated with a 58% reduced risk of breast cancer, whereas high soy consumption during adolescence and adulthood was associated with a 20 to 25% reduced risk.
The study appears in the journal Cancer Epidemiology, Biomarkers & Prevention.
"Since the effects of childhood soy intake could not be explained by measures other than Asian lifestyle during childhood or adult life, early soy intake might itself be protective," the lead investigator, Dr. Larissa Korde, a staff clinician at the institute's Clinical Genetics Branch, said in the news release.
Early soy intake may have a biological role in breast cancer prevention, the researchers suggested, though the exact underlying mechanism isn't known.
"Soy isoflavones have estrogenic properties that may cause changes in breast tissue," Korde said. "Animal models suggest that ingestion of soy may result in earlier maturation of breast tissue and increased resistance to carcinogens."
Despite the study's findings, it's too early to recommend changes in girls' diets, Ziegler said.
"This is the first study to evaluate childhood soy intake and subsequent breast cancer risk, and this one result is not enough for a public health recommendation," she noted. "The findings need to be replicated through additional research."
To support soybean farmers in the Midwest, of course.
Lord knows we all need fewer Asian girls with breast cancer.
I’d be curious if they have a higher number of thyroid problems as a result.
Don’t a woman have to have breasts to develop breast cancer?
Oh, I was so hoping that they meant topical use.
Won’t help me, I’m allergic.
The U.S. is the largest producer of soybeans in the world, but I have never seen U.S. soybeans for sale for eating. I think all the soybeans for human consumption are from China.
Uhm, Asian-American girls don’t have breasts. Anybody done a study about that?
Small breasts=less chance breast cancer.
Okay. As a non asian. I will give this some thought after I worry about all the other crap I have been hit with since Obozo took over.
“Asian-American girls don’t have breasts”
Then the Korean babe I dated back in the 1980’s definitely was an exception to this rule.
I remember to this day the way she’d almost shout,
“Go ahead!! Look!”
Steaming hot tea linked to cancer
BBC | Friday, 27 March 2009 | BBC
Posted on 03/27/2009 7:42:13 PM PDT by GSP.FAN
You be bad.
I like boobies!
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