Is there a major difference in Dr. Bernstein's diet and the others?

I purchased the book about a year ago, and...altho interesting..I must admit that I never finished reading it. Now I've either lent it out or just can't find it.

My DH was place on insulin a couple months ago and for the first month....we struggled with keeping his BG down....even on the insulin. After a few days on PP his BG levels dropped dramatically! Now I worry about bottoming-out! So slowly, he's dialing the insulin back down til he finds a good level.

This is all SO frustrating. But I've seen for myself the IMMEDIATE effect LC'ing has on blood sugar. For the life of me I don't understand why this is not the plan of choice for doctors to prescribe!!