Allergic rhinitis affects 400M globally; Brazil prevalence high in children

A WAO survey reports over 400 million people worldwide suffer from allergic rhinitis, with Brazilian prevalence at 25.7% in children aged 6-7 and 29.6% in adolescents. The article argues for a metabolic approach to treatment, but provides no new data or market-moving developments. This is a routine health awareness piece with no immediate geopolitical or economic impact.