excellent commentary on the diet study results by a knowledgable blogger who knows her stuff ….”homeostatic metabolic adjustments work to return body weights to their genetically-determined setpoint range, in both naturally obese and nonobese bodies. These biological adjustments are so powerful, as much as a four-fold increase in metabolic efficiency, that to keep weight off below one’s natural range, or to try to lose more, requires increasing severe caloric restrictions, not optimal for nutritional health or wellbeing.”