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Adiposity, DXA, and Asthma Risk

By David Lederer, MD, editor, Annals of the American Thoracic Society
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Adiposity and Asthma in a Nationwide Study of Children and Adults in the United States

Would adiposity indices defined by dual energy X-ray absorption (DXA) provide additional information about asthma risk in children and adults compared to measuring body mass index alone? This is the question Erick Forno and his colleagues researched in 8,886 children and 12,795 adults participating in the National Health and Nutrition Examination Survey. In their March Annals of the American Thoracic Society article, they report finding that DXA indices provided similar information to BMI among boys and girls and among men.  

“However, DXA measures on trunk-predominant adiposity provided additional value in relating adiposity to asthma in adult women.” They also found that women with BMI-defined obesity who also had high DXA-defined central obesity were more likely to have asthma than those without excessive central obesity.

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