I meant that if your new eating regime helps you keep calories down, it's good. I didn't mean that you should try keto or if or paleo or WW or whatever for a mo

I meant that if your new eating regime helps you keep calories down, it's good. I didn't mean that you should try keto or if or paleo or WW or whatever for a month and then stop. If you are actively trying to lose weight in any way, and then go back to old habits then it's bad for you, even if you got the diet from a medical doctor. If instead you start using any kind of low-calories diet, and can keep it up, then it doesn't matter if it's only because of low calories or because of some other physiological effects. I am not sold on the idea that dietary fads de-emphasize sport.