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I think you're missing the point. As long as your caloric intake sort of averages out to your calorie expenditure, you're fine. You don't have to balance every

I think you're missing the point. As long as your caloric intake sort of averages out to your calorie expenditure, you're fine. You don't have to balance every minute and every hour. We're designed to operate at a caloric deficit for hours, if not days at a time. We obviously don't spend all of our time sleeping.

amelius 10y ago
I think that's not how it works. People get headaches from lack of available calories even if they have stored energy. Eating "just enough" really requires both a skill and dedication. Perhaps what you are explaining is how it works with people who have an efficient/non-defective metabolic system. But hey, those people are not overweight.
- jimmywanger 10y ago
  > People get headaches from lack of available calories even if they have stored energy. Citation? Are you saying that some people are unable to turn fat into glycogen? Unless you're undergoing ketosis, or have a vanishingly rare metabolic disorder, that's just not true. > Perhaps what you are explaining is how it works with people who have an efficient/non-defective metabolic system. But hey, those people are not overweight. Most overweight people have efficient/non-defective metabolic systems, as evinced by the increase in obesity rates in the developed world over the past fifty years.
  - adiabatty 10y ago
    I've been on sloppy paleo for a while, but I only started doing intermittent fasting more recently at a buddy's repeated urgings. I have fairly vivid memories of getting headaches sometimes after missing a meal or two in succession. After being on a paleo-ish diet for a while, I only then narrowed my feeding window to between noon and 8 PM over a couple of weeks. I've since gotten to the point where I can eat one meal a day most days if I want, but hunger headaches are a thing. (I'd still expect to get them if I were to do a multiday fast.)

amelius 10y ago

I think that's not how it works. People get headaches from lack of available calories even if they have stored energy. Eating "just enough" really requires both a skill and dedication. Perhaps what you are explaining is how it works with people who have an efficient/non-defective metabolic system. But hey, those people are not overweight.

jimmywanger 10y ago
> People get headaches from lack of available calories even if they have stored energy. Citation? Are you saying that some people are unable to turn fat into glycogen? Unless you're undergoing ketosis, or have a vanishingly rare metabolic disorder, that's just not true. > Perhaps what you are explaining is how it works with people who have an efficient/non-defective metabolic system. But hey, those people are not overweight. Most overweight people have efficient/non-defective metabolic systems, as evinced by the increase in obesity rates in the developed world over the past fifty years.
- adiabatty 10y ago
  I've been on sloppy paleo for a while, but I only started doing intermittent fasting more recently at a buddy's repeated urgings. I have fairly vivid memories of getting headaches sometimes after missing a meal or two in succession. After being on a paleo-ish diet for a while, I only then narrowed my feeding window to between noon and 8 PM over a couple of weeks. I've since gotten to the point where I can eat one meal a day most days if I want, but hunger headaches are a thing. (I'd still expect to get them if I were to do a multiday fast.)