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CAIRE –
Higher levels of vitamin D help children with asthma better adapt to the adverse effects of indoor air pollution on the airways and strengthen bones, according to the latest medical research conducted on this topic .
"Asthma is an immune disease," said Dr. Sunali Bose, a professor at the Faculty of Medicine at the University of New York. He pointed out that previous scientific studies have shown that vitamin D partly affects asthma by influencing the antioxidant or immunosuppressive pathways.
The researchers noted that low levels of vitamin D in the blood were associated with the psychological effects of indoor air pollution from sources such as cigarette smoke, cooking, ignition of candles and Incense in children with asthma.
Conversely, in households with the highest levels of indoor air pollution, vitamin D levels in the blood were associated with fewer asthma symptoms in children. More importantly, the results showed that the effects were more pronounced in obese children.
The present study highlights a third factor, obesity, which helps to increase the risk of asthma, especially in people susceptible to the disease. For the current study, published in the Journal of Clinical Allergy and Immunology, researchers tested three factors (domestic air pollution levels, vitamin D levels in the blood, and asthma symptoms) in 120 already asthmatic students, one-third of whom were obese.
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