Borax is kinda a cureall too. 20 Mule Team Borax is used by most on Curezone for whatever. This is a search on Borax Conspiracy. One of he sites is about a somebody in Australia who was curing Arthritis with it.
You can spend all day going through this search.
https://www.google.com/search?q=borax+conspiracy&ie=utf-8&oe=utf-8
P.S. Borax and Boric Acid are not the same. Some people get confused when you start talking about the wonders of Borax.
I'm not going to take Roach Proof is one of the responses :-)