This is largely untrue, though there is one true aspect to it: a fasted, detoxified body becomes a much more efficient digester and assimilator, extracting a lot more nutrition from the same amount food is used to eat.
"How and When to Be Your Own Doctor"
Dr. Isabelle A. Moser with Steve Solomon
Because of the not inconsiderable immigration which reaches us from Armenia, and because also there has been a call for the United States to act as mandatory for this country under the peace treaty, we should penetrate more deeply into the Armenian heart than we have been able to do so far, if we are to carry through successfully our job either as assimilator or as friendly guardian.
"Armenian Legends and Festivals"
Louis A. Boettiger
You are a born assimilator, Angelo, do you know that?
"Eve to the Rescue"
Ethel Hueston