Our bodies are versatile. We can manufacture glucose/glycogen from two macro-nutrients: carbohydrate and protein. I learned this from the physiological testing and research done for two books that I've read: The Complete Guide to Fasting by Dr. Jason Fung and Fat for Fuel by Dr. Joseph Mercola. Limiting protein while eating all the green veggies and fat you want simulates a fasting condition in the body for healing purposes. You also lose tons of weight. Eating the stuff raw is recommended in Mercola's book. Glucose is cancer's favorite fuel. That was discovered by Otto Warberg for which he won a nobel prize in physiology in the early 1930's. Fasting forces the body to fuel itself with ketones or a state of ketosis. That is why it so effectively manages cancer. Dr. Thomas Seyfried is the leading biologist for this effort. He has youtube videos and also a book Cancer as a Metabolic Disease. It's expensive though $90 on Amazon and is not yet available for Kindle.
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yup...
hunter gatherers were in ketosis all the time.
when agriculture was invented carbs become the norm and people 'switched states'...which was not healthy.
Agreed. However, if the hunt didn't go well they fasted until it did. People on that show naked and afraid some times go the whole three weeks without sustenance. No one has died yet else it would have made world news. On the third day of a water-only fast hunger pangs stop. The fourth day of a water only fast is hard to describe. A feeling of euphoria is best. You are no longer hungry, your head is amazingly clear. Artists today use the fourth day to do their best work.
what show?
Note: hunter gathers existed over 12,000 years ago...we have very little data on them.
The show Naked and Afraid on Discovery channel.
https://www.discovery.com/tv-shows/naked-and-afraid/about
oh
The one thing that the therapeutic benefits of fasting gives a person is the "ace in the hole" feeling that finally we have a tool that is not palliative like everything that the medical establishment throws at a person with a life threatening illness. It was designed into us at the beginning. We have always had it. It just takes a leap of faith to use it to our advantage. People with type II diabetes can be helped immensely with as little as two short 7 day water only fasts a month apart. They need to be supervised though if they are on metformin or insulin because the need of them decreases daily as the fast progresses. The books I read strongly suggest that all therapeutic fasts be supervised in a facility with people trained in fasting. Well, I don't have the resources to spend weeks in Toronto, Ontario which is the closest clinic. There is a church in Louisville, Ky., that supervises 21 day fasts, but same resource limits.
hmmmm
Ketosis usually requires a few days on eating less than 20grams of carbs a day.
Kinda similar to fasting?
Note: us fat boys can survive longer than most people without food (if we have sufficient water), we are the genetic descendants of people who survived famines.