Food fussiness and food neophobia share a common etiology in early childhood.
Andrea Dominica SmithMoritz HerleAlison FildesLucy CookeSilje SteinsbekkClare H LlewellynPublished in: Journal of child psychology and psychiatry, and allied disciplines (2016)
Food fussiness and FN both show considerable heritability at 16 months but shared environmental factors, for example the home environment, influenced more interindividual differences in the expression of FF than in FN. FF and FN largely share a common etiology.