Picky Eating Explained: Is Your Body Protecting You? . . Selective eating can reflect sensory sensitivity, fear of adverse reactions, or conditioning after past discomforts. True food allergy involves immune responses; intolerances affect digestion without IgE reactions. Solutions: introduce one new food at a time with small exposures, pair with safe favorites, and use varied textures and temperatures to expand acceptance. Track symptoms to identify triggers. Consider testing for true allergy wh