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Ketosis reduces your appetite substantially.

Totally. I'm not convinced that keto is any more efficient at burning fat, but eating my normal meat-starch-vegetable meals without the starches probably cuts 1000 calories per day out, so there's the calorie restriction. The magic comes in where I'm not ready to gnaw my arm off or murderously hangry on that amount of calories, versus trying to just eat less of the full blend.

Insulin will cause your body to store more fat and is released when you intake carbohydrates.

Macro content does matter and not all calories are created equal.

Calories are actually an incredibly crude measurement of metabolism energy, as our stomachs are not furnaces. Gasoline and wood have tons of calories, but no usable energy for humans.

Maybe? It definitely hasn't been shown to be any more effective than a fat free diet.

I mean appetite isn't really quantifiable anyway. Sure you can look at leptin and grelin, one of which actually is greatly affected by fasting.

Less hunger, less calories.

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