There is a podcast in The Guardian which questions obesity.
Quite possibly nothing that has not already been discussed on the forum, but could be of interest.
There is a brief text summary.
Why do some people find it harder than others to lose weight?
After treating thousands of obese people, bariatric surgeon Andrew Jenkinson was left wondering why, when most people eat too many calories, only some become overweight. After years of research, he believes he has the answer
theguardian.com/news/audio/...
You'll not be surprised that there is also a book:
Jenkinson’s book Why We Eat (Too Much) is out now. whyweeattoomuch.co.uk/