The effects of seasonal variation of 25-hydroxyvitamin D and fat mass on a diagnosis of vitamin D sufficiency 3
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چکیده
Background: The effect of season on vitamin D status is often overlooked in studies of optimal vitamin D concentrations and in
منابع مشابه
The effects of seasonal variation of 25-hydroxyvitamin D and fat mass on a diagnosis of vitamin D sufficiency.
BACKGROUND The effect of season on vitamin D status is often overlooked in studies of optimal vitamin D concentrations and in clinical practice. OBJECTIVES We aimed to determine the effects of seasonal variation of 25-hydroxyvitamin D [25(OH)D] on a previously selected minimum concentration for vitamin D sufficiency (50 nmol/L) and to determine whether fat mass modifies these effects. DESIG...
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BACKGROUND Vitamin D deficiency is a common finding in obese subjects even before any bariatric operation. However, most previous studies reporting on high rates of vitamin D deficiency in obese subjects have not systematically controlled for seasonal variations. Furthermore, the existence of seasonal variation in serum 25-hydroxyvitamin D(3) levels has not been well documented in obese subject...
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