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Information on the latest vitamin D news and research.

Find out more information on deficiency, supplementation, sun exposure, and how vitamin D relates to your health.

New research explores why vitamin D deficiency is common in U.S. minorities

A new study published in Public Health Nutrition determined the prevalence of vitamin D deficiency, the exposure time needed in the sun to produce vitamin D, and, lastly, the effects of the UV index on vitamin D production among U.S. minorities.

As people migrate to northern latitudes, the UV index decreases, and therefore, vitamin D production decreases as well. Minorities with darker skin in the U.S. are at a greater risk for vitamin D deficiency, because of the high latitude and reduced ultraviolet-B radiation that their bodies are not adapted to.

The United States is a large country with varying latitudes and ultraviolet radiation. Furthermore, years of migration has led to diverse ethnic groups who come from regions of varying latitudes. Vitamin D status and risks for deficiency need to be specifically addressed in each of these groups in order to help them to maintain sufficient vitamin D status and optimal health.

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  About: Amber Tovey

Amber is the Program Manager for the Vitamin D Council. Her responsibilities include writing articles, editing, fundraising and brainstorming ways for the VDC to grow. Outside of work, she loves to enjoy the beautiful hills, beaches and sunshine in the Central Coast of California.