Los Angeles Times

Let the sun shine in

Too little sunshine can lead to a vitamin D deficiency, and a 2008 study published in the Archives of General Psychiatry found that vitamin D levels were 14 percent lower in depressed people. The sun on your skin needs exposure time to bring about the change that produces vitamin D, according to Reinhold Vieth, Ph.D., a professor in the University of Toronto's department of nutritional sciences. Sean Gallup/Getty Images
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