Even if some governement agencies are not totally honest and transparent concerning all treatments (because of money, lobbies, laws), consider that some alternative treatments makers/sellers are also not totally honest and transparent about what their alternative treatments can or cannot do.
See for example Parzapper, he has been selling his devices for years with only vague suggestions and unjustified claims, and when i ask him for some objective proofs, he says that i attack and defame... this is not reasonable... This is not Science (and i mean the real Science (scientific method), not the modern organized science)