Monday, August 18, 2014

"Have you ever noticed that people who spend more time outdoors, particularly those who garden regularly, are often cheery? While the exercise, sunshine and general health benefits of being outdoors contributes to a happy disposition, scientists have discovered that some of this cheer comes from a certain bacteria that lives in the soil. Mycobacterium vaccae, a soil dwelling bacteria, has been found to affect our brains in a similar way to antidepressants. It activates brain cells to produce serotonin, a hormone that helps regulate mood and sleep. Low levels of serotonin are often correlated with moodiness, feeling down and depression."

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