I am a doctor of Naturopathy and have just read the One-Minute Cure since many of my patients have been asking me about the information. The response that I am giving my patients is this. Yes there are many claims to the benefits of using food grade Hydrogen-Peroxid I definately would recommend if you have a serious illness to work with a practitioner. In the case of cancer most definately as it is my understanding that the treatment here should be done intravenously.
With any book on health the first thing I noted was that Ms. Cavanaugh does not have initials to substantiate her ability to research nor did she provide a biography of her background. In reading the information she stated numerous facts and numbers and provides no account of citations to substantiate the facts.
While most people will do just fine and actually benefit from adding oxygen to the body my suggestion to my patients is to read a source from someone with some biochemistry background. The book that I am suggesting is called "Hydrogen Peroxide" Medical Miracle by William Campbell Douglass II, MD. His Bibliography includes over 100 citations to substantiate the information.
As with all health information natural healers are just as good if they have the initials behind their names as not, but be subjective and know who your reading