The study, which drew on data from the Norwegian Mother, Father and Child Cohort, estimates that between 6 and 18 percent of children fall into patterns of eating so limited that they meet criteria for ARFI symptoms. \u00a0<\/p>\n
And in two to three percent of kids, these patterns become clinically significant, meaning their restricted diets lead to nutritional deficiencies or failure to meet energy needs.\u00a0<\/p>\n
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Researchers say these findings highlight the importance of distinguishing everyday picky eating\u2014a common frustration for parents\u2014from severe, persistent avoidance that crosses into disorder territory.\u00a0<\/p>\n
The team found that children with persistent ARFI were significantly more likely to have developmental difficulties compared to those with typical eating habits. These challenges spanned emotional, cognitive and social domains, consistent with earlier work linking restricted eating with conditions such as anxiety, attention problems and autism<\/a>.\u00a0<\/p>\n Kids with clinically significant ARFI were also more likely to exhibit physical complaints, including gastrointestinal problems\u2014patterns that mirror what clinicians see in practice.\u00a0<\/p>\n The study identified two genome-wide significant genetic loci associated with ARFI. Notably, a strong association was found with ADCY3, a gene involved in appetite regulation and previously linked to obesity and feeding behaviors. \u00a0<\/p>\n Estimates of heritability ranged from eight to 16 percent\u2014small but meaningful genetic contributions suggesting biology plays a measurable role.\u00a0<\/p>\n Researchers also found small to moderate genetic correlations between ARFI and a range of other traits, including mental health conditions, cognitive abilities, anthropometric traits and gastrointestinal disorders. That overlap may help explain why children with ARFI so often experience broader developmental challenges.\u00a0<\/p>\n ARFI was formally recognized in the DSM-5 only a decade ago, and until recently, data on how often it occurs\u2014and how it unfolds over childhood\u2014has been limited. Previous estimates varied widely, from 1.5 percent\u00a0to more than 60 percent, depending on how the disorder was defined and the populations studied.\u00a0<\/p>\n This new research, one of the largest longitudinal efforts to date, helps narrow those estimates and provides clearer evidence that extreme picky eating is not just a phase<\/a> for many children. \u00a0<\/p>\n The authors emphasize that understanding who is most at risk\u2014and why\u2014is critical for informing public health guidelines, screening practices, and early interventions.\u00a0<\/p>\n The study concludes with a call for \u201cbroad support interventions,\u201d noting that many children with ARFI do not receive timely help because symptoms can appear to be typical childhood behavior. Yet early intervention could help families prevent nutritional deficiencies and address developmental concerns before they escalate.\u00a0<\/p>\n The researchers also argue that better understanding of genetic contributions may ultimately support more targeted treatments and help reduce stigma for families navigating feeding challenges.\u00a0<\/p>\n Do you have a tip on a health story that\u00a0Newsweek\u00a0should be covering? Do you have a question about snakebites? Let us know via\u00a0health@newsweek.com<\/a>.<\/p>\n Reference<\/p>\n Bj\u00f8rndal, L. D., Corfield, E. C., Hannigan, L. J., Ayorech, Z., Bulik, C. M., Watson, H. J., Dinkler, L., Chawner, S. J. R. A., Johansson, S., Andreassen, O. A., Ask, H., & Havdahl, A. (2025). Prevalence, Characteristics, and Genetic Architecture of Avoidant\/Restrictive Food Intake Phenotypes. JAMA Pediatrics. https:\/\/doi.org\/10.1001\/jamapediatrics.2025.4786<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Picky eating in early childhood is far more common\u2014and potentially more consequential\u2014than many parents realize, according to new…\n","protected":false},"author":2,"featured_media":313540,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[1490,27202,3006,299,97,269,148],"class_list":{"0":"post-313539","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-nutrition","8":"tag-autism","9":"tag-childrens-health","10":"tag-family","11":"tag-food","12":"tag-health","13":"tag-nutrition","14":"tag-parenting"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/313539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=313539"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/313539\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/313540"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=313539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=313539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=313539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}