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Vitamin D may help control asthma: Study

IANS  |  New York 

Besides making bones strong, higher levels of can also help children with to become more resilient to harmful respiratory effects caused by indoor air pollution, say researchers including one of an Indian-origin.

"is an immune-mediated disease," said Sonali Bose, at the at

"From previous scientific studies we knew that was a molecule that may influence by impacting antioxidant or immune-related pathways," she added.

The researchers observed that having low blood levels was related to harmful respiratory effects of indoor from sources such as cigarette smoke, cooking, burning of candles, and incense, among children with asthma.

Conversely, in homes that had the highest indoor air pollution, higher blood vitamin D levels were associated with symptoms in children.

Importantly, the findings showed that the effects were most pronounced among obese children, Bose said.

"This highlights a third factor at play here - the epidemic - and helps bring that risk to light when considering individual susceptibility to asthma."

For the study, published in the Journal of and Clinical Immunology: In Practice, the researchers tested three factors -- levels in homes, blood vitamin D levels, and asthma symptoms -- in 120 schoolchildren with One-third of the children were obese.

"One way to increase blood vitamin D levels is to increase sun exposure, but that isn't always possible in urban environments, or in people with darker skin pigmentation," Bose said.

"Another way is through or eating more foods that are high in vitamin D, such as fatty fish, mushrooms, or foods fortified with vitamin D, such as bread, orange juice, or milk."



(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Sun, March 10 2019. 11:06 IST