Teen Health and the Media negative body image and eating disorders National Institute on Media and the Family 2009 80 percent body image University of Washington 78 percent 80 percent 80 percent Teen Health and the Media developing negative body image as a result of media exposure Teen Health and the Media One study says Washington University website University of Washington 78% of 17-year-old girls University of Washington Seventy eight percent Washington University website 78 percent of girls report hating their bodies Đại học Washington children Media studies HT HT Teen Health and the Media Teen Health and the Media מהנערות מדווחות שהן שונאות את הגוף שלהן website. More than 50 percent