
Thomas C. answered 07/17/22
Critical Care Nurse and online instructor
A quick online search indicates research findings that counter that hypothesis.
For instance, in PubMed.gov, the article "Growth hormone in obesity" in 1999 by M Scacchi et al states that growth hormone is inhibited in obesity.
From my training in Physical Anthropology, the term "robusticity" can be used to describe how muscle attachments to bone can cause mild "growth" of the bone if a particular anatomic section or part is used frequently. An example would be an individual that has a "larger" humerus because he/she works in manual labor-the larger arm muscles triggered bone growth to accommodate more muscle attachment to the bone.
So an individual that eats more could develop more muscle attachment on the mandible and/or maxilla in response to the enlarged facial muscles involved in chewing. If that individual lost weight later, the bone would not "shrink" or "regress".