...to the mental health industry? Your defensive stance makes it obvious you have one.
And, indeed, if you are educated enough to READ, you would clearly have READ that I have personal experience with both, not merely literary. While your experience and understanding of the "internal/mental aspects of the human body/mind" comes from where? YOUR "complete knowledge of such things as cognitive and biological psychology" comes from where? 50 years of mental health propaganda and failures.
Measuring hormones and brain chemicals is just the beginning.
In reading YOUR posts, I might have to come to the conclusion that you have absolutely no will power nor self-esteem to allow yourself to become so incredibly overweight. Now, is that fair? ...So what's the problem? Psychology or biology? Why can't you lose the weight, see-sawing back and forth?
You tell me...psychology or biology keeps YOU in YOUR box?