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NEW YORK (Reuters Health) – Increasing vitamin D levels, especially in obese children, may help prevent asthma, particularly the symptoms associated with air pollution, according to a recent study by researchers from the Johns Hopkins School of Medicine.
The study focused on tracking 120 children in the Baltimore area of the United States by monitoring three factors: household air pollution levels, vitamin D levels in the blood and asthmatic symptoms, one-third participants were obese, A child assessment was conducted early in the study and they continued their assessment three times over the next nine months.
According to the study published in the latest issue of the journal Journal of Clinical and Clinical Immunology, low levels of vitamin D in the blood were linked to the adverse effects on respiratory health of air pollution among obese children suffering from asthma.
In contrast, homes with higher levels of air pollution were associated with higher levels of vitamin D in the blood and decreased asthma symptoms in participating children.
"The team has identified many factors making children vulnerable to health problems caused by air pollution throughout Baltimore, lack of vitamin D being the main problem," said Dr. Kimberley Gray , lead author of the research.
"One way to increase vitamin D levels in the blood is to increase sun exposure, but that's not always possible in urban settings." another solution is to take vitamin D supplements or to consume more foods containing a high proportion of this vitamin. " "He said.
The sun is the first safe source of vitamin D and gives the body the need for ultraviolet light needed for vitamin production.
Vitamin D deficiency can be compensated by eating foods such as oily fish such as salmon, sardines, tuna, fish oil, cow's liver and eggs, or by taking supplements from this diet. Vitamin available in pharmacies.
The body uses vitamin D to maintain bone health and absorb calcium effectively. In addition, lack of vitamin can increase the risk of injury in people with osteoporosis and bone malformations, cancer and inflammation, and disrupt the body's immune system.
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