Unfortunately, you are reading a book that was based on research done almost 90 years ago. Most if not all of it has been disproved. The point about Dr. Price going around the world to investigate other cultures is an interesting point. Yes, it is true that their diet made a difference, but it was not what they were eating, but more what they weren't. Third world countries have very little if any access to refined sugars. Cut out refined sugars, and tooth decay and gum disease go way down. It is that simple. All the diets he advocated are just a total waste of time. If your child has cavities, then you need to help them, and get them proper care. It is one thing if you personally want to practice alternative medicine, but don't subject your children to things that can potentially be very dangerous.