Episode 7 - Professor Michael Kimlin
Professor Michael Kimlin joins me to talk about skin cancer, vitamin D and ultraviolet light exposure. What's a safe level of sun exposure? Do we need to be taking vitamin D supplements? Are there health benefits of sunlight that are beyond that of vitamin D? How does inflammation and obesity affect serum vitamin D levels? What's the optimal serum vitamin D level? Professor Kimlin answers all of these questions and more in this podcast.
Professor Michael Kimlin is a renowned cancer epidemiologist and is one of the leading authorities on skin cancer, vitamin D and ultraviolet radiation exposure. Professor Kimlin has been conducting research in this field for more than 30 years at some of Australia's leading universities and organisations like the Cancer Council. He has published more than 200 peer reviewed scientific papers and his contributions in the field of cancer research and ultraviolet light have been extraordinary.
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By Daniel Roytas MHSc (Nut), BHSc (Nat), Dip. RM, MANTA
Despite living on the sunniest continent on Earth1, 25% of all Australians are thought to be vitamin D deficient2. Rather than acquiring vitamin D from sensible amounts of sun exposure to maintain optimal levels of vitamin D, it seems the Australian public have turned towards supplementation instead. As of 2010, there were 89 vitamin D manufacturers selling 195 different vitamin D products in Australia. Almost 60 million vitamin D products were sold that year, totalling an eye watering $89.3 million3. Why is all of this money being spent on something that we can literally get for free, right outside our front door?
Could it be that the public health initiatives around sun safety have worked too well? A 2011 paper published in the Medical Journal of Australia found that it is relatively difficult to obtain the equivalent of just 1000 IU (1 capsule worth) of vitamin D from sun exposure when adhering to sun smart recommendations4....