A Global Burden of Disease analysis published Oct. 28, 2026, in JAMA Psychiatry estimates that 18.1 million people lived with anorexia or bulimia nervosa in 2023, with cases up 71.0% since 1990 and expected to keep rising through 2050.
An umbrella review of 61 meta-analyses found that eating disorders often co-occur with other conditions: a personality disorder in 49% of people with anorexia and 54% with bulimia, and tobacco use disorder in 47.7% with binge-eating disorder.
In a trial of lifestyle weight-loss treatment for binge-eating disorder with obesity, the share of physically active people rose from 18.2% to 49.1% after treatment and stayed at 48.0% a year later. Activity was linked to weight loss and fewer…