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A little ray of sunshine – but not too much – important for health

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New guidelines have been released today to tell Australians how much sun they need to avoid vitamin D deficiency and stay healthy without increasing their risk of skin cancer.

The new guidelines follow research showing some Australians are deliberately seeking sun exposure over summer because they are concerned about vitamin D deficiency.CEO of The Cancer Council Australia, Professor Ian Olver, says the new data shows the wrong people are concerned about vitamin D deficiency.”We’re alarmed that a small but significant number of Australians are deliberately seeking sun exposure without sun protection because they’re concerned about vitamin D, and are therefore more likely to be putting themselves at risk of skin cancer,” Professor Olver said.”The reality is too many Australians get too much sun in summer and increase their risk of cancer, while some people don’t get enough sun, particularly in winter, and risk vitamin D deficiency with possible serious health consequences.”The Cancer Council has joined with other health experts from Osteoporosis Australia, The Australasian College of Dermatologists and the Australian and New Zealand Bone and Mineral Society to address the public’s confusion about Vitamin D deficiency.”Today our organisations are releasing new guidelines on how much sun exposure Australians need to maintain Vitamin D for good health without increasing their risk of skin cancer,” Professor Olver said.”Sensible sun protection does not put people at risk of vitamin D deficiency. But there are times when it’s actually important to leave your hat and sunscreen off.””In winter, most people in the southern states – Victoria, Tasmania and South Australia – do not need to use sun protection during the day because UV Index levels are not high enough to cause significant skin damage.””In summer, most Australians get adequate vitamin D levels in just a few minutes through the sun exposure they receive during typical day-to-day outdoor activities.”The new guidelines recommend:

  • Fair skinned people can maintain adequate vitamin D levels in summer from a few minutes of exposure to sunlight on their face, arms and hands or the equivalent area of skin on either side of the peak UV Index periods on most days of the week.
  • In winter in the southern parts of Australia, where UV radiation levels are less intense, people need about 2-3 hours of sunlight to the face, arms and hands or equivalent area of skin over a week.

Professor Peter Ebeling, Medical Director of Osteoporosis Australia, and Head of Endocrinology, University of Melbourne at Western Hospital, said some people could be facing long-term health consequences due to vitamin D deficiency and may need vitamin D supplementation.”It’s important to stress that the majority of Australians have sufficient levels of vitamin D.””However, those likely to be at risk of vitamin D deficiency include people with very dark skin, people who are housebound or in institutionalised care, women who wear concealing clothing for cultural purposes, and breastfed babies of vitamin D deficient women,” he said.Professor Ebeling said vitamin D levels can be checked through a simple blood test, and inadequate levels can be easily treated with supplements, rather than additional exposure to UV radiation. Supplements are particularly useful in those with pigmented skin.”Anyone who thinks they may be vitamin D deficient should seek medical advice, not seek more sun,” Professor Ebeling said.Secretary of the Australasian College of Dermatologists, Dr Stephen Shumack, stressed that the new advice developed by the four organisations takes into account the intensity of the sun in different parts of Australia.”While those in southern states in many cases don’t need sun protection in winter, sun protection is still necessary in places like the Northern Territory, Queensland and parts of Western Australia, all year round, because UV Index levels are high enough to cause significant skin damage.””It’s important to remember that skin cancer is a very significant problem in Australia. Every year around 1500 Australians die from skin cancer, and one in two Australian will develop skin cancer in their lifetime,” Dr Shumack said.Cancer Council research found that 17% of teenagers and 13% of adults thought they needed to go out in the sun more without sun protection as a result of hearing media reports about the issue.Alarmingly, the research found young people who were sun seekers – those who tanned or wanted to tan – who were more likely to think they needed to sun themselves without sun protection. 20% of teenagers in this group said they thought they needed to go out in the sun without protecting their skin to get vitamin D.The new guidelines ‘The risks and benefits of sun exposure’ can be found here.(Source: The Cancer Council Australia : June 2007)

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Posted On: 19 June, 2007
Modified On: 16 January, 2014


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