Alot of people actually suffer from SAD but not everyone gets a diagnosis, for some people it does not get as bad as it does for me. Hell I wish that I could be happy all the time, and now it's rare that I've even happy for an hour. My eating habits have changed alot as well, i'm likely to get a decent meal in in a day... I'm hungry now not sure what i'll eat.

When the sun is out it does help somewhat to sit in front of the window or go outside for 10 minutes even in the cold and snow to get that fresh air.

Nope tanning beds and lightboxes are completely different. They use differnt bulbs. The bulbs they use for SAD lights are I believe 10000 watt lux bulbs, I believe that's what mine is. Tanning beds does not help depression or seasonal depression.

Some people would likely feel good after a tanning bed because you have the warmth and what not from laying out in the sun in the summer, but no the light is different.