Not all eating disorders can be simply categorised into ‘anorexia nervosa’, ‘bulimia nervosa’ or ‘binge eating disorder’. A range of problematic eating and weight-loss behaviours can have devastating impacts on individuals and their loved ones.

This chapter provides an overview of muscle dysmorphia in adolescence. Readers will gain an understanding of what muscle dysmorphia is, how to recognise it, and what to do for support.