I'm hungry within an an hour and a half after eating fish and I never fill up on it.... It's like eating yams, I can never get enough..... Needless to say, I stay away from yams..... Oliva ----- Original Message ----- From: "Rob Bartlett" <[log in to unmask]> > As for feeling hungry after the fish breakfast have you considered that it > might be due to the very low satiety of fish? Fish has quite a high insulin > index compared to other sources of protein. Insulin is supposed to inhibit hunger. Insulin crosses the blood brain barrier to interact with the hypothalamus to prevent the synthesis of neuropeptide Y, probably the most potent stimulator of appetite.