# The Complete Guide to Fasting
## Metadata
- Author: [[Jason Fung and Jimmy Moore]]
- Full Title: The Complete Guide to Fasting
- Category: #books
## Highlights
- Despite what you might think, nutrition is not a topic covered extensively in medical school. ([Location 59](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=59))
- “calories in, calories out” (CICO) ([Location 74](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=74))
- CICO approach had to be wrong. ([Location 78](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=78))
- “Eat less, move more” has been done to death over the past fifty years, and it doesn’t work. ([Location 83](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=83))
- ketogenic diet (a low-carb, moderate-protein, high-fat diet) ([Location 90](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=90))
- insulin causes insulin resistance ([Location 103](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=103))
- What we think is hunger is not really hunger. ([Location 212](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=212))
- fasting and ketosis go together perfectly, like bacon and eggs. ([Location 219](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=219))
- When you eat a low-carb, moderate-protein, high-fat diet—a ketogenic diet—it becomes much easier to fast. ([Location 219](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=219))
- bouillon cubes to help with electrolyte imbalance. ([Location 269](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=269))
- kombucha and bone broth with sea salt. ([Location 270](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=270))
- low-carb, moderate-protein, high-fat diet, ([Location 296](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=296))
- We simply aren’t meant to be eating as much or as often as we do in modern culture, ([Location 304](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=304))
- Fasting shouldn’t be physically painful. ([Location 326](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=326))
- Most definitions of fasting allow noncaloric drinks only. ([Location 2809](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2809))
- Since juices naturally contain sugars and calories, this is not technically a true fast, but the word is often used in this context. ([Location 2819](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2819))
- In the pre-agricultural era, it is estimated that animal foods provided about two-thirds of the calories in the human diet. ([Location 2906](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2906))
- timing and frequency of meals is as important as the composition of the meal. ([Location 2913](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2913))
- Fasts can range from twelve hours to three months or more. ([Location 2920](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2920))
- 16-hour fasting schedule with an 8-hour eating window. ([Location 2951](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2951))
- most people skip the morning meal every day. ([Location 2968](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2968))
- skipping breakfast and eating lunch and dinner within eight hours of each other. ([Location 2976](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=2976))
- hunger is ([Location 3016](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=3016))
- lowest in the morning, ([Location 3016](https://readwise.io/to_kindle?action=open&asin=B01MF8SC2X&location=3016))