Piles of studies have found that being out in nature can slash stress and even speed healing after surgery, but let’s face it: We can’t all get out into the woods whenever we feel blah. The good news is that studies have also shown that simply looking at pictures of nature can give you some necessary vitality. Get a nature calendar, peruse some Ansel Adams photos, or get a leafy screensaver. It could save your sanity, too.

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