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This invited review provides an overview of genetic discoveries in eating disorders in the genome-wide era. To date, five genome-wide association studies on eating disorders have been conducted \u2013 all on anorexia nervosa (AN). For AN, several risk loci have been detected, and ~11\u201317% of the heritability has been accounted for by common genetic variants. There is extensive genetic overlap between AN and psychological traits, especially obsessive-compulsive disorder, and intriguingly, with metabolic phenotypes even after adjusting for body mass index (BMI) risk variants. Furthermore, genetic risk variants predisposing to lower BMI may be causal risk factors for AN. Causal genes and biological pathways of eating disorders have yet to be elucidated and will require greater sample sizes and statistical power, and functional follow-up studies. Several studies are underway to recruit individuals with bulimia nervosa and binge-eating disorder to enable further genome-wide studies. Data collections and research labs focused on the genetics of eating disorders have joined together in a global effort with the Psychiatric Genomics Consortium. Molecular genetics research in the genome-wide era is improving knowledge about the biology behind the established heritability of eating disorders. This has the potential to offer new hope for understanding eating disorder etiology and for overcoming the therapeutic challenges that confront the eating disorder field.<\/jats:p>","DOI":"10.1017\/s0033291720005474","type":"journal-article","created":{"date-parts":[[2021,2,15]],"date-time":"2021-02-15T08:51:05Z","timestamp":1613379065000},"page":"2287-2297","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":41,"title":["Genetics of eating disorders in the genome-wide era"],"prefix":"10.1017","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8405-381X","authenticated-orcid":false,"given":"Hunna J.","family":"Watson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alish 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