“We don’t know why animals move less when in the fructose diet,” said Rhodes. “However, we estimated that the reduction in physical activity could account for most of the weight gain.” “Biochemical factors could also come into play in how the mice respond to the high fructose diet,...
. You can’t tell for sure because this information is buried in the statistics but the overlap of the error bars, highlighted in pink, suggests that not everybody gained anything — in fact, some may have gotten worse. What kind of benefit is possible in a dietary intervention for people...
In fact, homeostatic mechanisms are usually observed. You don’t have to have a metabolic chamber to know that your intake is variable day-to-day but your weight may be quite stable. The explanation is not in the physics which, again, predicts variation, but rather in the biological system...