This review of existing research looked at behavioural and psychiatric problems in people with Prader-Willi syndrome, a complex genetic disorder. The review found hyperphagia (compulsively overeating over a long period) compulsions/repetitive behaviour, self-injury (especially skin-picking), and aggressive behaviours to be common in people with Prader–Willi syndrome. The most frequently found psychiatric disorders were psychotic, affective, [read the full story…]