Spot on about fasting, and keto has solid evidence as well - https://www.virtahealth.com/ are a great company focused on this.
The issue is we're starting to have a more nuanced understanding of the metabolic resistance people face when they undergo dietary changes - basically the body fights hard against you as you try to lose weight by dieting.
So it's now industry-standard among obesity specialist doctors to see obesity as a "metabolic disease" which, for the vast majority of people, needs a medical approach which doesn't rely on willpower.
The issue is we're starting to have a more nuanced understanding of the metabolic resistance people face when they undergo dietary changes - basically the body fights hard against you as you try to lose weight by dieting.
So it's now industry-standard among obesity specialist doctors to see obesity as a "metabolic disease" which, for the vast majority of people, needs a medical approach which doesn't rely on willpower.