India, April 3 -- Sustainable weight loss is not just a test of willpower. Moreover, once you lose those kilos, maintaining them is far more difficult than it took you to shed them. But why is this the case with weight loss and weight management?

HT Lifestyle reached out to Dr Ravi Kesari, MBBS, MD, general medicine, internal medicine, Apollo Spectra Hospital, Bengaluru, to understand the science behind it. According to Dr Ravi, our bodies are wired to defend our highest weight, not our healthiest weight, which is why maintaining weight loss requires more strategy, structure, and support than the initial weight-loss phase ever does.

"People experience more difficulty maintaining weight after losing it than they do in achieving their wei...