Most women are perpetually in pursuit of a slimmer waist. While many of us are willing to make the necessary changes in our diet and whittle away at the gym, wearing a waist trainer is a popular trend. Back in the day, these were called girdles. And way, way back in the day, they were called corsets. So what's up with the renewed interest in "waist training?" Perhaps Kim Kardashian is to blame since interest in the constricting body-shaping technique peaked after she started posting photos of herself wearing a waist trainer on Instagram. And PreMadonna, the creator of Kim K's coveted corsets, has attracted even more Waist Gang Society converts thanks to her appearances on Season 4 of Love & Hip-Hop Atlanta . But women should think twice before they wear a waist trainer. According to Yahoo! Health , although wearing the compression garment for a short amount of time is usually harmless, it can cause fainting, acid reflux and indigestion becau