Though there is little data on the procedures or injuries they cause, doctors and authorities say they are seeing them more often. Online forums used to set up the illegal procedures have attracted thousands of responses.
Very big buttocks have been popular in hip-hop videos for years. But Dionne Stephens, who studies race, gender and sexuality in hip-hop culture at Florida International University, said celebrities such as Jennifer Lopez, Beyonce and Kim Kardashian are popularizing the look among an increasing number of women of all races and ethnicities.
For 46-year-old Apryl Michelle Brown, the path to an illegal injection started with people teasing her as a child about having a "pancake butt." Years later, a woman walked into Brown's beauty salon in California and told her she could make her butt bigger with injections.
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