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Nutrition Articles : Glenn Cardwell

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Calorie restriction

Calorie restriction

You probably have never heard of Clive McCay and this brief article is not about dieting. As we have discussed before, it is easy to over-eat due, in part, to an abundance of food and encouraging genetics. Calorie restriction is what every (yes, every) weight loss diet promotes, but what of calorie restriction in the lean?

Fewer calories, longer lifespan

It was 1935 when Clive McCay wrote the f...

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Diet-induced thermogenesis

Diet-induced thermogenesis

Joel, wrote in and asked which of the four macronutrients in food required the most Calories to be digested. The four macronutrients are protein, fat, carbohydrate and alcohol, the only ones that provide Calories in the diet.

His question related to the fact that we burn Calories to digest food, that is, you have to burn some Calories to actually digest and absorb the Calories used by your muscle...

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Probiotics

Probiotics

Peter Rogers asked me to write a few thoughts on probiotics. He tried a probiotic supplement for three months and didn't see any benefit. His partner, however, felt an improvement and has stuck with them. You will have seen advertisements for both yogurt with Lactobacillus acidophilis and Bifidobacteria, as well as small bottles of supplemental live bacteria eg Yakult; these are examples of probio...

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Resistant Starch

Resistant Starch

You have all heard of fibre, the mainly undigested bits in non-animal foods. You know us nutrition folk worship the stuff because it keeps you and me regular, slows down your eating, slows down digestion and it keeps your intestines healthy. If your bowels are happy, then the whole world seems much more friendly and ordered.

The fibre travels past your stomach and small intestines, and slides int...

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Lactose Intolerance

Lactose Intolerance

Is lactose intolerance natural?

First, what is lactose intolerance? Our major source of lactose is milk (cow, goat, sheep and human) or yogurt. It is not found in hard cheese or butter. At birth, we have a digestive enzyme called lactase to break down lactose in breast milk to its constituent sugars, glucose and galactose, which are then absorbed into the blood.

By the age of 5 years, in many...

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