Shed some (sun)light on vitamin D deficiency

Shed some (sun)light on vitamin D deficiency

We do not read an article that can make us change practice very often. “Vitamin D deficiency in children and adolescents submitted to hematopoietic stem cell transplantation” by Campos DJ from the Curitiba Pediatric Transplantation group is one of these articles.1 Although vitamin D deficiency has been the theme of many publications in the last few years,2 Brazilians would tend to disregard it ...

Sunlight and Vitamin D

Vitamin D is the sunshine vitamin that has been produced on this earth for more than 500 million years. During exposure to sunlight 7-dehydrocholesterol in the skin absorbs UV B radiation and is converted to previtamin D3 which in turn isomerizes into vitamin D3. Previtamin D3 and vitamin D3 also absorb UV B radiation and are converted into a variety of photoproducts some of which have unique b...

Vitamin D deficiency in an ample sunlight country.

Cancer, sunlight and vitamin D*

The sunshine vitamin has been associated with reduced risk for many chronic illnesses including cancer and cancer mortality. Epidemiologic and ecological studies have suggested that living at higher latitudes and having lower blood levels of 25-hydroxyvitamin D are associated with increased risk for up to 15 cancers including breast, colon, lung, lymphoma, pancreatic, ovarian and prostate cance...

Vitamin D deficiency and stroke

Vitamin D comprises a group of fat-soluble pro-hormones, obtained from sun exposure, food, and supplements, and it must undergo two hydroxylation reactions to be activated in the body. Several studies have shown the role of vitamin D in mineral metabolism regulation, especially calcium, phosphorus, and bone metabolism. Some factors such as inadequate vitamin intake and liver or kidney disorders...