Date Published:
19 April 2009 |
Veiled and dark-skinned people should have vitamin D levels checked
Dark-skinned and veiled infants, children and adults should be screened annually
for vitamin D deficiency, and vitamin D supplementation should be provided to
those at-risk in this population, a finding published in The Medical Journal
of Australia recommends.
Researchers found 147 of 149 North African refugees living in south-western
Sydney who took part in a health-screening program in August and September 2006
were vitamin D deficient.
In February and March 2007 (the end of summer), the 91 of the original group
were re-tested, and although vitamin D levels had increased, 79 (87%) remained
vitamin D deficient.
Study co-author Dr Craig Munns, Staff Specialist Endocrinologist at The Children’s
Hospital at Westmead, said vitamin D deficiency had been linked to a range of
health problems.
“Although simple vitamin D deficiency is often asymptomatic, adults
may present with bone pain, myalgia, myopathy, increased risk of falls, osteoporosis
and hip fractures,” Dr Munns said.
“Children may present with hypocalcaemic seizures, bowed limbs,
fractures and motor delay.”
As skin pigmentation increases, so does the period of exposure to ultraviolet
B radiation from sunlight needed to synthesise adequate amounts of vitamin D.
Dr Munns said people with darker skin or who wore veils should have their vitamin
D levels checked every year.
“Screening should also take part in the first trimester of pregnancy
for darker-skinned or veiled women. Breastfed infants of darker-skinned or
veiled women should receive vitamin D supplements until 12 months of age,”
Dr Munns said.
“People in at risk groups should take preventative daily 400 IU
vitamin D supplements.”
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