Being in nature is soothing to the soul. The air is cleaner. The night sky is darker so it's easier to sleep. And there's something calming about being in the natural harmony of the wilderness.

But, on the other hand, it's tough to find a place to get good sushi or an exciting night club.

This begs the age-old question: is it better to live in the city or the country? The answer has always been, "depends on who you ask," but a new study out of Denmark says that being near dense vegetation is clearly better for one's mental health.

A nationwide study of over 900,000 people published in PNAS showed that "children who grew up with the lowest levels of green space had up to 55% higher risk of developing a psychiatric disorder independent from effects of other known risk factors."