Mario Castro, Washington University School of Medicine (IMAGE)

WashU Medicine

Mario Castro, Washington University School of Medicine

Caption

Mario Castro, M.D., listens to the lungs of a patient with asthma. Castro led a clinical trial investigating the effects of vitamin D supplements on asthma control. Adding vitamin D to asthma treatment to improve breathing only appears to benefit patients who achieve sufficient levels of the supplement in the blood. Overall, the ability to control asthma did not differ between a study group that received vitamin D supplements and a group that received placebo, according to new research at Washington University School of Medicine in St. Louis.

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Robert Boston

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