A lot of women are wearing the wrong size bra. Here's how to tell if your bra is causing you back pain and how to fix it.
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Can A Sports Bra Cause Back Pain? – solowomen
Is Your Bra Causing Back Pain? It Could Be The Wrong Size – Why A Bra Can Cause Back Pain & How To Fix It – ThirdLove
8 Consequences of Wearing the Wrong Size Bra - James D. Namnoum, MD, FACS