Quote Originally Posted by Frank S View Post
Haven't they been telling us for years now that UV is bad for us. maybe when this was machine was being used they were trying to use UV to increase vitamin D absorbson.
UV light is used to sterilize things. I had a cabinet in my classroom for safety glasses. It had timer with a UV light to sterilize glasses between classes.

Have to remember that all medical procedures are "practices". They practice one thing until they discover it is not really a good thing to do, then they practice something else. They used to "bleed" people also to let the "bad blood" out, among other crazy things.