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Articles + Stories by Our Experts

Fasting

The difference between calorie restriction and fasting – Fasting 27

Perhaps one of the most common questions we get is what the difference is between calorie restriction and fasting. Many calorie enthusiasts say that fasting works, but only because it restricts calories. In essence, they are saying that only the average matters, not the frequency. But, of course, the truth is nothing of its kind....

The Complete Guide to Fasting – Now Available

I'm happy to finally be able to say that my book The Complete Guide to Fasting is now available in Canada and the United States. The Kindle version should be available very soon, and the audiobook will be released in several months. I co-authored this book with Jimmy Moore, who has written several international best-sellers...

Power: Fasting vs Low Carb – Fasting 26

What's the difference in power between fasting and LowCarb High Fat (LCHF)? Sometimes it feels like arguing whether Batman or Superman is more powerful (Superman, of course). But they're both superheros, and the point of both these dietary superhero regimens is to lower insulin. This stems from a rational examination about the causes of obesity and type...

Fasting and Autophagy – Fasting 25

What is autophagy? The word derives from the Greek auto (self) and phagein (to eat). So the word literally means to eat oneself. Essentially, this is the body's mechanism of getting rid of all the broken down, old cell machinery (organelles, proteins and cell membranes) when there's no longer enough energy to sustain it. It...

Fasting and Brain Function – Fasting 24

How does fasting affect brain function? There is very little reliable human data, but some very interesting animal data, as recently reviewed. There are many potential benefits. While I tend to focus on weight loss and type 2 diabetes, there are many other benefits, including autophagy (a cellular cleansing process), lipolysis (fat burning), anti aging...

Fasting and Exercise – Fasting 23

Is it possible to exercise while fasting? This is a common question we hear all the time. People think that food gives them energy and therefore it will be difficult to fast and exercise at the same time. Some people with physically demanding jobs feel that they could not fast and work properly. What's the...

Obesity – Solving the Two-Compartment Problem – Fasting 21

One of the major mistakes made by the Calories In/ Calories Out (CICO) hypothesis is the presumption that energy is stored in the body as a single compartment. They consider that all foods can be reduced to their caloric equivalent and then stored in a single compartment in the body (Calories In). The body then...

Refeeding syndromes – Fasting 20

Complications with refeeding were first described in severely malnourished Americans in Japanese prisoners of war camps in World War 2. It has also been described upon treatment of long standing anorexia nervosa, and alcoholic patients. It is important to have an understanding of these syndromes if you are attempting an extended fast - usually greater...

Circadian Rhythms – Fasting 19

It is sometimes useful to consider things from an evolutionary standpoint. We can look back at early humans and make some general recommendations. Granted, there is little or no proof, but the exercise is still useful and interesting. There is often great debate about whether we should be eating constantly, or occasionally. For example, some...

Bariatrics is Surgically Enforced Fasting – T2D 6

Bariatric (stomach stapling) surgery quickly and successfully reverses type 2 diabetes (T2D).  The most recent trial was published in the New England Journal of Medicine on 242 adolescents undergoing bariatric surgery. Most got Roux-en-Y bypass, with most of the rest getting sleeve gastrectomy. After 3 years, the results were good. 74% of high blood pressure...

Cephalic Phase Response and Hunger – Fasting 18

The relationship between fasting and hunger is, without doubt, the #1 concern we hear. Overcoming hunger seems a daunting task, stemming from a misunderstanding of actual hunger. This is mildly ironic, since my guess is that 95% of us have never, truly been hungry in the sense of starvation, where we did not know when...