Canola Oil Consumption During Pregnancy Lowers Breast Cancer Risk in Offsprings

by Sreeraman on  November 20, 2008 at 4:20 PM Women Health News
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Here's some advice for mums to be - consuming canola oil during pregnancy may help reduce their offspring's risk of developing breast cancer.

Mothers with diets high in omega 6 fats, are likely to increase their offspring's risk of developing breast cancer, however, consuming canola oil during pregnancy and breast-feeding may help cut the risk.

In this study, researchers fed one group of mice a diet containing corn oil and another group a diet containing canola oil, then recorded the incidence of breast cancer and changes to breast cancer regulating genes in the offspring.

Fifty percent of corn oil is made up of omega 6 polyunsaturated fats, which have previously been linked to increased rates of breast cancer, while canola oil has only 20 percent omega 6 fats.

Omega 3 fats, which have been linked to lower cancer risk, vary as well. Corn oil has less than .5 percent omega 3 fats while canola oil has 10 percent.

"We're seeing changes in gene expression up to five months after the animals were exposed to a diet containing omega 6 fatty acids during gestation and lactation," said W. Elaine Hardman, Ph.D., associate professor of biochemistry and microbiology at Marshall University School of Medicine and lead author of the study.

"The only explanation is that during gestation and lactation, the mother's diet must be imprinting the genes of the baby," Hardman added.

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