Given the recent spate of reports of vitamin D deficiency, there is a need to reexamine our understanding of natural and other sources of vitamin D, as well as mechanisms whereby vitamin D synthesis and intake can be optimized. This state-of-the-art report from the Drug and Therapeutics Committee of the Lawson Wilkins Pediatric Endocrine Society was aimed to perform this task and also reviews r...

Asthma is an inflammatory and chronic disease that affects about 300 million people globally. The disease is more common in developed countries. The increase in the prevalence of asthma is not only due to genetic factors, but also to many environmental factors related to urbanization and type of nutrition. It has been reported that obesity is an independent risk factor for asthma and obese chil...

Seasonal variation in tuberculosis diagnoses recently has been reported in various populations. In Australia, seasonality of tuberculosis diagnoses was more pronounced in areas where UV exposure is reduced and vitamin D deficiency is more prevalent. Our findings suggest vitamin D deficiency as a factor in disease activation.

background: hypocalcemia is a well-recognized complication after total thyroidectomy. hypovitaminosis d may have additional effect in the development of hypocalcemia. this study aimed to determine the effect of total thyroidectomy on postoperative serum calcium in patients with and without hypovitaminosis d. methods: this prospective study was performed on patients who underwent total thyroidec...

Background: Both vitamin D deficiency and hypertension are prevalent in the general population. Several observations indicate an association between vitamin D deficiency and high blood pressure. The present case-control study aimed to compare serum 25-hydroxyvitamin D (25-OHD) in hypertensive patients versus healthy controls. Methods: One hundred patients aged 30-60 years with hypertension (...