According to one persistent Internet myth, women who wear bras are more likely to develop breast cancer. Not true, says a study published online in the journal Cancer, Epidemiology, Biomarkers, and Prevention. In a study of more than 1,500 women, researchers from the Fred Hutchinson Cancer Research Center in Seattle found no links between risk of two common types of breast cancer — invasive ductal carcinoma or invasive lobular carcinoma — and any aspect of bra wearing, including cup size, use of a bra with an underwire, age at first bra use, and average number of hours per day a bra was worn. This may not be the last word on the subject, since the Fred Hutchinson study represents only the second to look at the connection between bra use and breast cancer. But until other findings appear, women worried that wearing a bra might cause cancer have one less thing to worry about.
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People who want to follow a healthy diet sometimes need a little help knowing where a meal or snack falls on the healthfulness scale. Several apps let you snap a photo of what you’re about to eat and post it for all to see — and rate. And though many of the “raters” are regular folks without training in nutrition, a new study shows they do a pretty good job gauging whether foods are likely to make you fitter or fatter.