Grammatikopoulou, M. G., et al. (2018). Food addiction, orthorexia, and food-related… Eat Weight Disord, 23(4), 459–467. https://doi.org/10.1007/s40519-018-0514-1
From the cross-sectional study’s abstract: “Among participating students, 4.5% had food addiction and 68.2% demonstrated orthorexia. Orthorexic behavior was associated with increased BMI, waist circumference and energy intake.”