Vitamin D levels linked to asthma severity

New research provides evidence for a link between vitamin D insufficiency and asthma severity. Serum levels of vitamin D in more than 600 Costa Rican children were inversely linked to several indicators of allergy and asthma severity, including hospitalisations for asthma, use of inhaled steroids and total IgE levels, according to a study that will appear in the first issue for May of the American Journal of Respiratory and Critical Care Medicine...

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