In this book a lot of the basic data is right, but certain things were wrong, especially in regards to genetics as so many advances in understanding have been gained in this area since 1951. But the information about people suffering from chronic low blood sugar and the changes they could make in their diet to control this and the resultant relief of a wide range of symptoms. There's a lot about diabetes and low blood sugar and how the food we eat creates imbalances in the blood sugar/insulin balance that our bodies are trying to maintain. -goodreads.com, ISBN13: B0007E2G60 ISBN10: B0007E2G60 Material Type: mass_market