Background Endogenous vitamin D synthesis can be affected by a number of variables,
including skin colour, amount of skin exposed and levels of ultraviolet radiation. The …

Background: The cutaneous synthesis of vitamin D is dependent on UVB from sunlight, but
melanin reduces the penetration of UVB and thus contributes to vitamin D insufficiency in …

Background: Vitamin D is essential for bone health, and cutaneous synthesis is an important
source. South Asians cannot attain adequate amounts of vitamin D by following general …

Background Solar ultraviolet (UV) radiation during the summer and vitamin D
supplementation are two major sources of vitamin D for humans at northern latitudes …

The medical journal of australia Medical Pdf Articles The medical journal of australia POSI TI
ONSTATE ME NT Vitamin D and adult bone health in Australia and New Zealand: Working …

Background Vitamin D is necessary for bone health and is potentially protective against a
range of malignancies. Opinions are divided on whether the proposed optimal circulating 25 …

Vitamin D is made in the skin using ultraviolet radiation of specific low wavelength, 290–315
nm (UVB). For many parts of the world there is a period when there is insufficient intensity of …

Objective: To examine the feasibility of balancing sunlight exposure to meet vitamin D
requirements with sun protection guidelines. Design and setting: We used standard …

Our objective was to calculate the time in the sun necessary to maintain existing 25‐
hydroxyvitamin D (25 (OH) D) concentration at locations across Australia and New Zealand …

Background/purpose: The advice that an adequate vitamin D status can be achieved by
short, casual exposure to summer sunlight is ubiquitous. This review will examine the value …