Parents often unknowingly undermine children’s immunity through common habits. Experts highlight that a balanced diet, sufficient sleep, and outdoor play are crucial, not just avoiding germs. Over-reliance on convenience foods, antibacterial products, and emotional eating can negatively impact a child’s developing immune system. Focusing on nutrient-dense whole foods and fostering healthy gut bacteria are key to building long-term resilience, rather than striving for unattainable perfection.