Certainly, the brassiere industry has pushed that message over the years, as it sells undergarments designed to hold breasts up and ideally make them appear perky and youthful.īut in an extensive report earlier this month, Shape magazine found that experts are split on whether going bra-less leads to sagging, after, yes, studying the effects that bras have on women’s breasts. Anderson was essentially repeating the popular idea that wearing bras can forestall the normal sagging that occurs over time due to breastfeeding, weight loss or gain, menopause and aging.