An interesting book about the role of genetics and diet/weight- finally.
"... studies report group outcomes. Every plan has its own rare, shining success stories as well. Sometime, a diet just clicks. Perhaps the remarkable diversity of the human organism — whose various sizes and shapes (double chins, giant thighs and all) are so clearly driven by such a vast array of different appetites and genetic cues — simply means that it is foolish to expect a single diet to serve all comers.
There. A proposal to end the war, just in time for the new year. "
http://www.nytimes.com/2010/12/28/health/28zuger.html?ref=science