As with humans, we can not
make drastic alterations in diet and exercise, as this can be detrimental to health and lead us to «crash and burn» with yo - yo dieting.
The first assumption surrounding the authors» main tenets they
make explicit: that «[u] nfortunately, [the] policy transformation [that began with the publication of the «Widget Effect» report in 2009] has not resulted in
drastic alterations in outcomes» (p. 2).