The Health Benefits of Trees

As I've known, and experienced, hiking under canopies of trees delivers significant health benefits. 

Transient

From an article in The Atlantic:

It is becoming increasingly clear that trees help people live longer, healthier, happier lives—to the tune of $6.8 billion in averted health costs annually in the U.S., according to research published this week. And we're only beginning to understand the nature and magnitude of their tree-benevolence.