--is one of those neuropathy experts who's been around a while, and who is embracing new technologies like Youtube to get the message out to a greater number of people.

I do often suspect that those who do this kind of things are also looking to expand their client bases--as Spitz does here, they often push their own vitamin formulations or newsletters--but hey, even doctors have to make a living. I do tend to look more kindly on those who don't necessarily push their own stuff, though.