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PostPosted: Mon Jun 17, 2013 8:37 pm 
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Joined: Thu Dec 20, 2007 7:23 pm
Posts: 810
Location: Kingston
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The investigators found significant correlations between the severity of the subjects' obesity, the adipokine levels and some biochemical measures of allergic disease. As expected, the higher the BMI Z-score was (indicating greater obesity), the higher the level of leptin and the lower the levels of adiponectin and vitamin D, the authors reported. Obese subjects also had increased levels of IgE, IL-6 and IL-13. However, Percival said, "the relationship between the BMI-Z score and the adipokines and markers of allergic disease seemed to depend on the vitamin D deficiency seen in the more obese patients, leading us to conclude that the increased risk for allergy in obesity may be mediated by vitamin D to some degree."


http://www.sciencecodex.com/vitamin_d_d ... ens-114112

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PostPosted: Tue Jun 18, 2013 12:12 pm 
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Joined: Tue Mar 22, 2005 11:17 pm
Posts: 6429
Location: Ottawa
Correlation possibly but not exactly a causal relation. All obese subjects had some vitamin D deficiency.
I'm going out on a limb here but possibly these individuals tend to cover up because society is not kind to people who are overweight.
If one does cover up, the parts of the body that are exposed to sunlight (our major source of vitamin D), these parts do not tend to get significantly larger with weight gain ei. face and hands. So, the vitamin D that is absorbed might be the same but when utilized by a larger body, the individual might be more deficient compared to an individual who absorbed the same amount but has lower body mass.

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Daughter: asthma, allergies to egg, milk, peanuts, tree nuts, most legumes (not soy) & penicillin. Developing hayfever type allergies.
Husband: no allergies
Me: allergies to some tree that flowers in May
Cat: allergic to beef, pork and lamb


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