Vitamin D reduced wheezing in preterm infants

Babies born prematurely are more likely to have immature lungs and airways, increasing chances for wheezing, and premature black infants, in particular, have high rates.

In this study, 300 premature black infants received oral vitamin D supplements in formula or human milk until reaching 200 IU per day, then took 400 IU of vitamin D per day, or got vitamin D from diet alone.

After 12 months, children taking vitamin D supplements were 34 percent less likely to develop wheezing and were also 2.8 percent less likely to develop upper respiratory tract infection, and 14.2 percent less likely to develop lower respiratory tract infection.

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