Earlier quoted context omitted.
I see, so fat people just need to knuckle down and starve themselves until they are reasonable weight and only then start to pay attention to the overall function of the human organism and their particular incarnation of it? That seems utterly backwards if not willfully ignorant.
Keeping a calorie deficit doesn't mean starving yourself. You need 3000 calories a day? Eat 2000, you'll lose about 1 kg in a week. At least it works for me and lots of other people I know. Sure it's hard to keep 2000 when you usually eat 3000-5000, but health is worth it. If your overweight is life-threatening you'll want to lose body-fat asap, which you will not achieve if you first try to understand every detail o…
You don't need to know ever detail, but the metabolic effects are super important. If you eat the same amount of calories of Snackwells (or some other supposedly "healthy" processed snack food option) compared a steak, you are going to need an insane amount of willpower to avoid overeating when you come down from the glycemic rollercoaster.