How food allergy risk changes as children grow

Food allergy is an important health concern in childhood, and knowing whether an allergy is likely to persist or disappear can affect medical decisions. Sensitization, however, is not the same as an allergy: specific IgE ...

Study offers insights on how heart valves last so long

Collagen plays a critical role in keeping heart valves strong, but the heart is surrounded by enzymes designed to break down collagen. So how can heart valves function efficiently decade after decade? A new study shows that ...

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