Everyone is talking about ketogenic diets (including me):

Ketogenic What is a Ketogenic Diet, in a nutshell?
Ketogenic A Guide to Ketosis
Ketogenic What is the Ketogenic Diet Good For?
Ketogenic Tips for Starting and Restarting Ketosis
Ketogenic On Ketogenic Diets
Ketogenic How to Use the Keto Calculator
Ketogenic Ketone Testing
Ketogenic A one-page intro to Ketogenic Diets, to hand to medical sceptics
Ketogenic 203 Comments on Mark Maunder’s “Basic Ketogenic Diet”

and a number of people want to know, in the simplest sense, what it is.

The human body is defined as “dual fuel”.  Just as my mate JP’s car can run on petrol or LPG (gasoline or Liquid Petroleum Gas), so the human body can run on glucose or fat.

When the body is burning fat to get energy it does it by converting the fat to ketones, and burns those.

Many of us in the west, eating a typical western 21st century diet have damaged our bodies so that they rarely burn fat, they just store it.  That’s because we eat too many carbohydrates.  Some get used for energy: the rest get stored as fat.

If we cut way down (and I do mean WAY down) on eating carbohydrates our bodies are forced to start using our stored fat as fuel, converting the fat to ketones.  A way of eating that achieves this is called a Ketogenic Diet.

Ketogenic Diets were first used therapeutically in the early part of the 20th century, to help people with epilepsy.  Those diets were not very pleasant.

In the 21st century we know much more and eating a keto diet is more delicious, and much more healthy.

By the way: “in a nutshell” is apposite: nuts are allowed on a ketogenic diet”!

[hr]

That’s the end of the quick answer.  Read on if you want to know a bit more.

To the casual observer a ketogenic diet looks like a paleo or primal diet looks like a low-carb diet.  They do all roughly live in the same box.

Firstly, what do we mean by paleo/primal?  The “rough” idea is that it turns out that paleolithic man (from roughly 2,0000,000 years ago up to roughly 10,000 years ag0) was pretty healthy: those folk weren’t obese, didn’t die of heart attacks, obesity, etc.  So we wonder what they ate.  Some folk get a bit “religious” about this, saying that those folks didn’t have (say) butter, so we shouldn’t eat butter.  Others say that butter fits right in (it certainly does in a keto diet).

Here’s Kurt Harris, MD, who describes himself as an “Archevore”

An Archevore is someone who eats based on essential principles, and also someone who hungers for essential principles. Take your pick.

I think Kurt’s blog post “The Only Reasonable Paleo Principle” makes a huge amount of sense, so I’ll leave you to read that.

There are a million other things that you can read, but I am working on a study guide, and I’ll put all those things in there, so hang on: they will appear soon!

[simpleazon-image align="left" asin="0983490708" locale="uk" height="160" src="http://ecx.images-amazon.com/images/I/51OSaAmDQJL._SL160_.jpg" width="107"][simpleazon-image align="right" asin="0983490708" locale="us" height="160" src="http://ecx.images-amazon.com/images/I/51OSaAmDQJL._SL160_.jpg" width="107"]If you can’t wait, this is probably the best book on the subject (UK version on the left, USA version on the right).

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