I’m no nutritionist, but I’m not sure it’s as simple as it sounds. I went to to a three day conference last February '19, and much of the time was spent looking at the research on “fad diets”. Weight loss was only part of it; the focus was more on health. Of course among other things we discussed lo carb, but what stood out was new research on what folks call intermittent fasting. Not something I could do, but it was interesting.
Of course, much of the time was also spent cooking!
