those complexities in mind, a common definition of failure is loss of less than half of a person’s excess weight (%EWL is excess weight carried above a Body Mass Index of 25kg/m2).  Most of my patients express disappointment if they’ve only had 50% excess weight loss, but the reality is that even surgery has limited power to assist a person to manage their weight.Additionally, all surgeries are most effective in the first five years, and less effective after that.  And obtaining reliable data... +More