06 Feb 2008
A woman's bra size in her twenties could indicate her risk of developing diabetes later in life, new research suggests.
Researchers at the University of Toronto in Canada found that women with a larger bra size were more likely to have diabetes than their A cup counterparts.
Women with a C or D cup were found to be more at risk of Type 2 diabetes than A cups, even when obesity and lack of exercise were factored in.
The research on more than 90,000 women, published in the Canadian Medical Association Journal, found that the risk of diabetes was up by 80 per cent for women with a C cup bra at the age of 20.
For women who wore a D cup the risk dropped to 64 per cent, while for B cups this risk was 37 per cent higher than women wearing A cup bras.
It is thought that fatty tissue in the breast called adipose could make the body resistant to insulin, although this has not been proven.
"We believe that our findings should be reproduced in other settings, and in studies involving women of different ethnic backgrounds," the study's authors wrote.
"The mechanisms underlying the potential risks and health consequences of obesity in the upper and lower torso require additional research," they added.
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