Not to beat this topic to death, but the following is from a program chat with Dr. A in the past:
"Tamadee: If I continue to stay focused on Phase 2, is it safe to assume that it will take at least 5-10 more weeks to lose 10 more lbs?
Yes. Phase 2 is a slow weight-loss phase but sticking with it rather than prolonging Phase 1 is important for sustaining weight loss. Studies have shown that progressive, rapid weight loss results in yo-yo dieting. The reason is that too rapid weight loss results in loss of muscle and bone mass, which slows our metabolism and makes it difficult to maintain our weight or to lose more weight."
Above from: http://www.mizfrogspad.com/South_Bea...t_06-19-03.htm
Also found a bit of info. called Breaking Through Your Low Carb Plateau at