Compared to the studies which have been done to support the current eating guidelines the studies on fasting have been wide and deep. Most current eating guidelines are based on a mix of "we though it sounds good", "everyone knows that fat is bad", "my friend from coca-cola told me that and he knows things" or "someone paid me to do the study and made it pretty clear that my future funding depends on the results".
Compared to the studies which have been done to support the current eating guidelines the studies on fasting have been wide and deep. Most current eating guidelines are based on a mix of "we though it sounds good", "everyone knows that fat is bad", "my friend from coca-cola told me that and he knows things" or "someone paid me to do the study and made it pretty clear that my future funding depends on the results".