Vitamin D deficiency has been suspected of being a culprit in the development of asthma. To test this suspicion, researchers followed a group of children for ten years. They periodically measured their vitamin D levels and then tested them for asthma, allergies and respiratory tract infections. . . .



All of the children in the study were at high risk of developing allergies. The researchers tested the children at 6 months and then at 1, 2, 3, 4, 5 and 10 years of age.

They found that the children who were repeatedly deficient in vitamin D had a higher risk of developing asthma, eczema or other allergies by the time they were 10 years old. Already by 6 months, kids who were deficient in vitamin D had markers associated with a higher risk of developing asthma. Low vitamin D was also associated with higher risk of allergies as early as 6 months, 2 years and 3 years.

The importance of this study is that it is the first one ever to demonstrate that vitamin D deficiencies in childhood increase your child’s risk of developing asthma later in life.


Journal of Allergy and Clinical Immunology 2016;doi:10.1016/j.jaci.2016.07.032


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