Vitamin D may protect against pollution-associated asthma symptoms in obese children

Over 6 million American children have the lung condition.

From https://www.nih.gov/news-events/news-releases/vitamin-d-may-protect-against-pollution-associated-asthma-symptoms-obese-children

from
https://healthnews010.wordpress.com/2019/03/09/vitamin-d-may-protect-against-pollution-associated-asthma-symptoms-in-obese-children/

from https://karlfletcher.blogspot.com/2019/03/vitamin-d-may-protect-against-pollution.html

from
https://karlfletcher1.tumblr.com/post/183328905758