I started to read the first article, but I got confused, so I watched the video. The latter is probably a poor substitute for the former, but assuming the video

I started to read the first article, but I got confused, so I watched the video. The latter is probably a poor substitute for the former, but assuming the video is accurate (as well as my understanding of it): Insulin sensitivity seems to recover once the high-fat diet has been curtailed. That makes it a bit different from the usual course of insulin resistance, no? Along the same lines, it seems to me that a LCHF (low carb, high fat) diet may solve its own problems. What I mean is that while the body may be slow to respond to blood sugar spikes, that situation should be occurring infrequently, if ever. On the other hand, it makes me wonder if "part-time keto" may be worse than the alternatives. In a situation where you switch from keto to...whatever, I picture fat-laden cells unable to deal with the sudden onslaught of sugar.