I congratulate you on your loving desire to help your husband control his diabetes.
A good resource for quality information about the health benefits of eating a high fat/low carb diet, can be found in the posts on Dr. Michael Eades' blog. He's the co-author of Protein Power and a very smart doctor. Search for specific posts on low fat to start with.
Health and Nutrition by Dr. Michael R. Eades, M.D.
You are definitely on the right track.
