Cloudy
20°CWed :Partly Cloudy. High: 24 Low: 14

Soy may not protect against stomach cancer

Soy may not protect against stomach cancer

New York: Estrogen-like compounds that come with a soy-rich diet are sometimes linked to a reduced risk of cancer, but new research from Japan suggests that protection doesn`t extend to stomach cancer.

In a study that tried to tease apart the effects of isoflavones — also known as phytoestrogens — found in soy, and other nutrients, like salt, Japanese researchers found no difference in gastric cancer risk between people who consumed a lot of isoflavones and those who consumed the least.

Azusa Hara and her colleagues from the National Cancer Center in Tokyo examined data on about 85,000 people in an existing Japanese study.

The researchers estimated how much isoflavone the study`s participants ate from a list of questions they had answered in the 1990s, then followed the subjects until the end of 2006 to see how many developed stomach cancer.

During the follow-up period, approximately 1,250 of the study`s participants got stomach cancer, but the researchers saw no difference in risk between those who ate the most isoflavone and those who ate the least.

According to Dr. Richard Peek, director of Gastroenterology, Hepatology and Nutrition at Vanderbilt University Medical Center in Nashville, Tennessee, estrogen is thought to protect against stomach cancer because the disease is much more common in men, at least until women are post-menopausal — hinting that younger women`s higher estrogen levels might be protecting them.

Peek said there are also studies on mice that suggest estrogen protects against stomach cancer.

The Japanese team, however, found an increase in stomach cancer risk among women taking hormone therapy who ate the most isoflavone-laden food, compared to those who ate the least.

The women in the study on hormone therapy were more likely to smoke, drink and have a family history of stomach cancer, the researchers note, which could explain the link.

Hara and her colleagues wrote in the American Journal of Clinical Nutrition that their results are limited by the use of their questionnaire and the fact that they could not account for whether the subjects were also infected with the bacterium Helicobacter pylori, which is also linked to increased stomach cancer risk.

Still another well-known risk factor for gastric cancers is high salt intake.

According to the American Cancer Society, a person in the United States has a one in 114 chance of developing stomach cancer. An estimated 21,500 Americans were diagnosed with it in 2011 and an estimated 10,500 died from it.

Stomach cancers were once the leading cause of cancer deaths in the US until 1930.

“One of the reasons for decline is that people have fridges now, and they use less salt preservatives,” said Khaldoun Almhanna, a medical oncologist at the Moffitt Cancer Center in Tampa, Florida.

 

Top Stories

43894569.cms

Bigg Boss 8: Deepshika’s group wins the Hijack errand, moves inside the new house

October-01-2014
The previous evening Bigg Boss 8 house saw some high voltage dramatization when Gautam Gulati lost his cool and disparaged co-hopeful Karishma
Tombstone

Orkut close down, clients asked to fare photographs

October-01-2014
BANGALORE: Google pulled the attachment of the once commended person to person communication site, Orkut, on September 30. Before Google wandered into
anilambanireuters2

Rcom to slice obligation to beneath Rs 20,000 cr in excess of 2 years; 4g take off in 2015

October-01-2014
Mumbai: Reliance Communications today said it plans to diminish its obligation to underneath Rs 20,000 crore in the following couple of years
home-minister-rajnath-singh-asks-to-revamp-crpf-to-fight-naxals

Home Minister Rajnath Singh asks to patch up CRPF to battle naxals

October-01-2014
NEW DELHI: Home Minister Rajnath Singh has requested a patch up of the lead energy against the Naxals, the Central Reserve Police
jaya-sept_350_092914121914

Jayalalithaa to stay in prison, court concedes safeguard hearing till Oct 7

October-01-2014
Giving no alleviation to imprisoned Tamil Nadu boss pastor J Jayalalithaa , the Karnataka high court on Wednesday conceded the hearing on
abacafoto_1430_30092014204502990_r_abc_20140930000000_a014006080012-jpg20141001022915

India, US vow to enhance ties, place it in composing

October-01-2014
India and the US on Tuesday promised to re-imbue force and warmth to their long-standing ties and “go past unobtrusive and ordinary