Is Zinc the Missing Nutrient in Childhood Asthma Care?

Childhood asthma affects 4.6 million U.S. kids, and research now shows zinc deficiency drives more inflammation, worse lung function, and greater breathing problems Zinc strengthens airway barriers, trains immune cells, reduces allergic inflammation, and helps repair tissues, making it central to protecting children against worsening asthma symptoms A review in Nutrients found zinc deficiency in children consistently linked to more severe asthma and allergic rhinitis, with greater benefits when levels were restored A large U.S. analysis showed overweight children eating more zinc-rich foods had up to 29% lower odds of asthma and fewer attacks compared to peers Zinc works best when sourced from whole foods like beef, lamb, oysters, and eggs, with supplements serving only as a backup when your diet falls short

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