The sun's ultraviolet radiation is dangerous to our skin cells because it damages our DNA. That's why sun exposure can cause cancer, and why sunscreen is so important (even apart from its power to prevent sunburns). There are sunscreens that claim they can help your skin repair that damage — and, it turns out, they actually might (might!) work.
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In an age where we can pull a small handheld computer from our pocket it and ask it to show us the quickest route to a pizza shop, it's easy to forget that we used to have to navigate our world using things like a compass. Snooze. The Vikings, ever brave, had to navigate the iceberg-rich waters of the North Atlantic without Google Maps.
How did they do it?
Last year, nearly 14,000 Australians were diagnosed with melanoma, the most dangerous form of skin cancer. A new tool, designed to predict the risk of developing melanoma, has just been released by the QIMR Berghofer Medical Research Institute. It only takes a minute to predict your risk of disease in the next 3.5 years.