She influences people to make healthy choices on social media, but Sia Cooper says she couldn’t figure out why her health seemed to be failing for years. Sia says she suffered from aching muscles, stiff joints, hair loss and unexplained weight gain. She says she never told her followers about her symptoms, which is why she was surprised when a few of them reached out about something that could be of concern to her: breast implant illness. InsideEdition.com’s Mara Montalbano has more.