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New study underway to determine sun exposure needed for sufficient vitamin D status

Posted on: September 9, 2014   by  Vitamin D Council


A new study out of Queensland, Australia aims to determine exactly how much sun exposure is needed to maintain sufficient levels of vitamin D.

Regardless of Queensland’s nickname, “the Sunshine State,” a high prevalence of vitamin D deficiency remains. Since sun exposure results in both benefits from increased vitamin D levels and increased risk for skin cancer, finding the optimal range is critical. Yet, there is limited knowledge on the topic.

Shanchita Khan, a PhD student from the National Health & Medical Research Council of Queensland University of Technology (QUT) is launching a new study to determine how much sun exposure is needed for sufficient vitamin D levels. She will be examining the relationship between sun exposure and vitamin D levels.

“If we can understand the specific effect UV has on Vitamin D levels, we can work out what UV exposure is needed to ensure we don’t suffer from the health effects of vitamin D deficiency,” Ms. Khan said.

Ms. Khan is currently recruiting fair-skinned indoor workers, ages 18-60 years old. They must also live in Brisbane, and have access to QUT’s Kelvin Grove campus.

The study will last three weeks. Participants will be asked to provide blood samples, fill out questionnaires, monitor sun exposure, and use sunscreen. Some participants will be asked to join Ms. Khan for outdoor activities such as eating lunch outside, while others will be asked to limit their sun exposure.

For more information, visit the Centre for Research Excellence in Sun and Health webpage or fill out this online survey if you are interested and eligible to participate.

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