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Just for the record, skipping breakfast + lunch has nothing whatsoever to do with fasting. It's not even remotely similar in terms of how your body reacts to it

by teach 11y ago

Just for the record, skipping breakfast + lunch has nothing whatsoever to do with fasting. It's not even remotely similar in terms of how your body reacts to it. And as others have commented yes there are many of us who have fasted for days at a time for religious reasons.

greensoap 11y ago
He said intermittent fasting. IF is basically what he described. 16 hours of no eating with an 8 hour window where you eat. I think some people take it farther--20 hours of fasting (water permitted) followed by caloric intake for four hours.
- __z 11y ago
  IF includes a lot of different eating schedules - Eating for 5 days a week and fasting for 2 is a common practice too. When I did IF I fasted every 4 days.
__z 11y ago
Fasting means abstaining from food for a period of time. Breakfast is called breakfast because you fast while you sleep and break the fast with breakfast so break-fast. Sure a 24 hr fast isn't a multi day fast but that doesn't mean it isn't a fast. 24 hr fasts are a commom intermittent fasting schedule. Religious practices that are called fasting last less than several days. When my doctor wants me in the fasted state (bloodwork/surgery) they say no food for 8-12 hrs. Saying short fasts have "nothing to do with fasting" is totally untrue.
tptacek 11y ago
"Skipping breakfast and lunch" is a pretty reasonable way to summarize "intermittent fasting". I don't know how credible "IF" is scientifically, but lots of people use the word "fasting" to describe it. What's the number of hours you're calling the threshold for "fasting"? I assume it's some high number, like 24-48 ("skipping breakfast and lunch" gets you past 16). Can you cite a source for the stark metabolic difference you're implying?
robbiep 11y ago
Biochemically, once you have not consumed anything for around 12 hours you are fasting (ie your liver is out of sugar and you are shifting to ketosis). So really it depends on your definition of fast, but scientifically skipping breakfast pushes you to the definition.

by teach 11y ago

greensoap 11y ago

He said intermittent fasting. IF is basically what he described. 16 hours of no eating with an 8 hour window where you eat. I think some people take it farther--20 hours of fasting (water permitted) followed by caloric intake for four hours.

__z 11y ago
IF includes a lot of different eating schedules - Eating for 5 days a week and fasting for 2 is a common practice too. When I did IF I fasted every 4 days.

__z 11y ago

Fasting means abstaining from food for a period of time. Breakfast is called breakfast because you fast while you sleep and break the fast with breakfast so break-fast. Sure a 24 hr fast isn't a multi day fast but that doesn't mean it isn't a fast. 24 hr fasts are a commom intermittent fasting schedule. Religious practices that are called fasting last less than several days. When my doctor wants me in the fasted state (bloodwork/surgery) they say no food for 8-12 hrs. Saying short fasts have "nothing to do with fasting" is totally untrue.

tptacek 11y ago

"Skipping breakfast and lunch" is a pretty reasonable way to summarize "intermittent fasting". I don't know how credible "IF" is scientifically, but lots of people use the word "fasting" to describe it. What's the number of hours you're calling the threshold for "fasting"? I assume it's some high number, like 24-48 ("skipping breakfast and lunch" gets you past 16). Can you cite a source for the stark metabolic difference you're implying?

robbiep 11y ago

Biochemically, once you have not consumed anything for around 12 hours you are fasting (ie your liver is out of sugar and you are shifting to ketosis). So really it depends on your definition of fast, but scientifically skipping breakfast pushes you to the definition.