A study of nearly 9,000 US adolescents finds 12-year-olds with smartphones are more likely to develop eating disorder symptoms by age 14HealthSep 25 at 11:10 AM – Sep 25 at 12:44 PM3 outletsCNN12-year-olds with smartphones are more likely to develop eating disorders by 14 seen Sep 25 at 11:14 AMCTV News12-year-olds with smartphones are more likely to develop eating disorders by 14 seen Sep 25 at 11:16 AMWCVB12-year-olds with smartphones are more likely to develop eating disorders by 14, according to study seen Sep 25 at 12:44 PM