It's hard to imagine that sitting in front of something as simple as this for 15 minutes a day would work. Well, it does.
I've had mine now since last year (wanted to test it over time) and must say that it's been great. I like being outdoors and pulled this light out on those days (cold or wet) when I couldn't be out. I would use it whilst playing video games.
I can't recall getting the raining/cold weather blues since I've started using it. That says a lot considering 2008-2009 has been a rough year for a lot of us. Get more detail about Philips goLITE BLU Light Therapy Device.