Nutritionism’s Great Blunder

Dr. Ancel Keys has been accused of many great nutritional crimes, but his greatest blunder was the inadvertent triumph of nutritionism.  Dr. Keys was one of the great proponents of saturated fat as one of the main determinants of the … Continued

The Great Carbohydrate Debate – How to Lose Weight VIII

In the ongoing effort to lose weight, the uncontroversial first step is to reduce added sugars.  The next step is to reduce refined carbohydrates.  There are many diets that advocate increasing carbohydrate intake instead.  And some of them do indeed … Continued

Is Dairy Fattening? – Hormonal Obesity XXIV

Dairy proteins stimulate high levels on insulin due partially to the incretin effect.  Glucose, though does not seem to increase much.  If insulin increases, does this mean that dairy is fattening?  Here the answer is far more difficult. As we … Continued

Insulin Index – Hormonal Obesity XXIII

Insulin levels had always been assumed to go up or down with the blood glucose levels which led to the glycemic index which had always been assumed to be a surrogate measure of insulin levels.  The glycemic index did not … Continued

The incretin effect – Hormonal Obesity XXII

What is the incretin effect?  With the Glycemic Index (GI), we had a physiologic scale for classifying carbohydrates.  Some raise blood sugars more than others.  When researchers looked at carbohydrate containing foods, there is a very close correlation between the … Continued

The Role of Fibre II – Hormonal Obesity XVII

The main role of fibre is that of an anti-nutrient.  By various mechanisms such as bulking and viscosity the absorption of nutrient may be slowed in the GI tract.  This is especially beneficial in the absorption of glucose which tends … Continued

Good Carbohydrates, Bad Carbohydrates – Hormonal Obesity XV

There is controversy surrounding whether carbohydrates are good or bad.  The low-carb movement (the Atkins onslaught) of the late 1990s and 2000s did much to focus attention on the role of carbohydrates in obesity.  Are carbohydrates good or bad?  Opinions … Continued