منابع مشابه
Tanning and vitamin D status.
We read with concern the article by Tangpricha et al (1) on tanning and vitamin D status in a recent issue of the Journal. They concluded, on the basis of their study, that “tanning beds may also provide some medical benefit.” Our concern is based on several factors. First, Tangpricha et al recruited a convenience sample via an online bulletin board and newspaper advertisement. Hence, their stu...
متن کاملTanning is associated with optimal vitamin D status (serum 25-hydroxyvitamin D concentration) and higher bone mineral density.
BACKGROUND Vitamin D is made in the skin on exposure to solar radiation, and it is necessary to optimal skeletal health. Subjects who use a tanning bed that emits ultraviolet B radiation (290-315 nm) are likely to have higher 25-hydroxyvitamin D [25(OH)D] concentrations than do subjects who do not regularly use a tanning bed. OBJECTIVE The first objective of this study was to ascertain whethe...
متن کاملStatus of Vitamin-D in diabetic patients
Abstract Background: Vitamin D (vit D) deficiency has been found to have an inverse relationship with the occurrence of type-2 diabetes mellitus (DM). The aim of this study was to assess the vit D level in type-2 diabetic patients. Methods: One hundred-twenty DM patients selected as case group and 120 healthy individuals as control group were investigated in this study from October 2011 to S...
متن کاملVitamin D Status and Health
Vitamin D is a unique nutrient in that it is actually a prohormone obtained by endogenous synthesis from sun exposure on 7-dehydrocholesterol in skin and from certain foods and dietary supplements. Endogenous synthesis produces cholecalciferol (vitamin D3) and is transported to the liver bound to the vitamin D-binding protein (DBP). In foods and dietary supplements, vitamin D exists either as c...
متن کاملVitamin D intake and vitamin D status of Australians.
The main source of vitamin D for Australians is exposure to sunlight. Thus, levels of serum 25-hydroxyvitamin D(3), the indicator of vitamin D status, vary according to the season and are lower at the end of winter. In Australia and New Zealand, the prevalence of vitamin D deficiency varies, but is acknowledged to be much higher than previously thought. One study found marginal deficiency in 23...
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ژورنال
عنوان ژورنال: The American Journal of Clinical Nutrition
سال: 2005
ISSN: 0002-9165,1938-3207
DOI: 10.1093/ajcn.82.3.707