Went to the pool today and tanned a little bit. I don't really like to tan, though my skin turns brown very easily, but I read some studies that getting vitamin D via sunlight can help you feel better, etc. Since I spend a lot of time indoors, I thought it might be good to get out a bit.
I don't know about the health effect, but my arms and legs are quite tan now. (I didn't tan my face...for obvious reasons...)
P.S. The studies / articles I've read about vitamin D:
P.S.S. No, I don't have all the issues mentioned above, but I can get mildly depressed from time to time.