意識の深層 A Comprehensive Analysis of Genetic and Epigenetic Factors in Human Food Preferences and Food Allergies
Neither "picky eating" nor a food allergy is a matter of willfulness or constitution in some vague sense. Both trace back to a blueprint written in DNA, and to epigenetics — the way environment rewrites how genes are expressed. This piece follows that dual thread from taste receptors down to the gut microbiome, as far as current research allows.