LB922 Sun protection and vitamin D deficiency among racial groups

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...

Sun protection, vitamin D deficiency, and management of cutaneous oncology in organ transplant recipients (OTR).

induces melanocytic hyperplasia in susceptible patients. J Am Acad Dermatol 33:577–583, 1995 Hachiya A, Kobayashi A, Ohuchi A, Takema Y, Imokawa G: The paracrine role of stem cell factor/c-kit signaling in the activation of human melanocytes in ultraviolet-B-induced pigmentation. J Invest Dermatol 116:578–586, 2001 Heissig B, Hattori K, Dias S, et al: Recruitment of stem and progenitor cells fr...

Sun protection and Vitamin D: three dimensions of obfuscation.

Ultraviolet (UV) radiation is a proven carcinogen, responsible for more than half of all human malignancies. It also compromises skin appearance and function. Since the UV action spectra for DNA damage, skin cancer and Vitamin D(3) (vit D) photosynthesis are identical and vit D is readily available from oral supplements, why has sun protection become controversial, now that some data suggest co...

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 ...

Vitamin D deficiency: shining new light on the sun nutrient.