This cheap bracelet could decrease your risk of developing skin cancer

Vipul Bansal didn’t believe he was getting enough vitamin D. He’s not alone. Although figures vary wildly, somewhere between 10 and 80 percent of Americans are vitamin D deficient. Bansal, Professor of Applied Chemistry and Environmental Science at Australia‘s Melbourne Institute of Technology, sought a solution. The easiest, obviously, is just to get more sun. But in doing so, he understood that the easiest solution often led to more problems, like skin cancer, wrinkles, and even cataracts. “I was after a sensor that could tell me how long to spend in the sun to get enough vitamin D, but not…

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