Is that why pina coladas are so theraputic?
Seriously, though, there's something about just the smell of coconut that raises my spirits. I live in a constant struggle with depression (Bipolar II), and it's amazing how the smallest things that most people wouldn't even notice can make a difference for better or worse.
I love to garden, and I don't like to wear gloves. Interestingly, my psychiatrist said that there have been studies done on antidepressants in soils. Apparently a lot of depressed people like digging in dirt and getting all muddy!