>Another factor to consider is that this was a study in “lean” adults, and it is possible that results would be different if the investigators included people w

>Another factor to consider is that this was a study in “lean” adults, and it is possible that results would be different if the investigators included people who actually need to lose weight. This just kind of reads like "which of these diets leads to healthy individuals becoming even more healthy", and the answer was none of them. There's got to be diminishing returns on healthy practices.