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Contact: Julia Evangelou Strait
Washington University School of 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.

Credit: Robert Boston

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Related news release: Study finds limited benefit for vitamin D in asthma treatment

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