FRIDAY, Nov. 22, 2013 (HealthDay News) -- Older women who drink lots
of soda and other sugary beverages may be at higher risk for endometrial
cancer, a new study suggests.
Endometrial cancer involves tumors in the lining of the uterus, and typically affects women in their 60s or 70s, according to the U.S. National Cancer Institute (NCI).
In the new NCI-funded study, researchers looked at data from more than 23,000 postmenopausal women in Iowa who were followed from 1986 to 2010.
They found that those who drank the largest amounts of sugar-sweetened beverages had a 78 percent higher risk for a tumor known as estrogen-dependent type I endometrial cancer.
The more sugar-sweetened beverages a woman drank, the greater her risk, according to the study published online Nov. 22 in the journal Cancer Epidemiology, Biomarkers & Prevention.
There was no link between endometrial cancers and consumption of sugar-free soft drinks, sweets/baked goods and starch.
In a journal news release, study author Maki Inoue-Choi said she wasn't surprised that increased intake of sugary drinks was tied to this estrogen-linked cancer.
"Other studies have shown increasing consumption of sugar-sweetened beverages has paralleled the increase in obesity," explained Inoue-Choi, who was a research associate at the University of Minnesota School of Public Health when the study was conducted. "Obese women tend to have higher levels of estrogens and insulin than women of normal weight, [and] increased levels of estrogens and insulin are established risk factors for endometrial cancer."
Inoue-Choi is currently a postdoctoral fellow at the NCI and the U.S. National Institute on Minority Health and Health Disparities.
Endometrial cancer involves tumors in the lining of the uterus, and typically affects women in their 60s or 70s, according to the U.S. National Cancer Institute (NCI).
In the new NCI-funded study, researchers looked at data from more than 23,000 postmenopausal women in Iowa who were followed from 1986 to 2010.
They found that those who drank the largest amounts of sugar-sweetened beverages had a 78 percent higher risk for a tumor known as estrogen-dependent type I endometrial cancer.
The more sugar-sweetened beverages a woman drank, the greater her risk, according to the study published online Nov. 22 in the journal Cancer Epidemiology, Biomarkers & Prevention.
There was no link between endometrial cancers and consumption of sugar-free soft drinks, sweets/baked goods and starch.
In a journal news release, study author Maki Inoue-Choi said she wasn't surprised that increased intake of sugary drinks was tied to this estrogen-linked cancer.
"Other studies have shown increasing consumption of sugar-sweetened beverages has paralleled the increase in obesity," explained Inoue-Choi, who was a research associate at the University of Minnesota School of Public Health when the study was conducted. "Obese women tend to have higher levels of estrogens and insulin than women of normal weight, [and] increased levels of estrogens and insulin are established risk factors for endometrial cancer."
Inoue-Choi is currently a postdoctoral fellow at the NCI and the U.S. National Institute on Minority Health and Health Disparities.
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