Category nutrition

Dietary Guidelines – our letter in The Lancet

If anyone’s interested in the public health nutrition debate around the dietary guidelines, then here’s a summary and critique of our latest jousting round(s) with conventional wisdom. In late 2016, an article from New Zealand in defense of the current dietary guidelines was published in the renowned medical journal The Lancet. While the authors (who included Prof […]

Margarines, Cooking Oils, and Non-dairy Spreads – is there enough evidence for benefit or harm?

How much evidence do you need to make recommendations about what the public should eat? It depends really. “On fair evidence we might take action on what appears to be an occupational hazard. For example, we might change from a probably carcinogenic oil to a non-carcinogenic oil in a limited environment and without too much […]

Rebuttal to Rod Jackson – Are New Zealanders the world’s leading butter eaters?

Yesterday this headline appeared in Stuff. Included in the article was a claim from Prof Rod Jackson that “Butter consumption has increased and the underlying cause of heart disease is a diet high in saturated fat.” Kiwis follow advice of advocates for high-fat, low-carb diets, who promote foods such as coconut oil and butter, to […]

The importance of the fasting TG/HDL ratio

By George Henderson and Grant Schofield If you have a standard lipid test done in New Zealand and most other parts of the world, it will usually give a couple of ratios at the bottom. One of these is the fasting triglyceride-to-HDL cholesterol ratio. It can also be calculated from the other measurements using this […]

Audio: Low Carb Healthy Fat for sports performance. World triathlon age champion Bevan McKinnon

I’ve witten a lot about fuelling for training and racing for sport performance, especially endurance, and most especially Ironman triathlon.  That’s what inspired What the Fat? Sport Performance, and several blogs about this guy: Bevan McKinnon and his sucess in using low carb healthy fat. He’s now the current Ironman 70.3 and Ironman Hawaii World […]

Beyond Salt – our letter in the Lancet about salt, hypertension, and insulin.

We recently had this letter on salt and hypertension published in the British journal, The Lancet.[1] It’s unusual for the Lancet to publish favourable references to low carbohydrate diets. They tend to publish material supporting statins and fat-restricted dietary guidelines instead (thus setting up a series of controversies with the more reformist British Medical Journal. […]

The CANHEART study: Is higher HDL better? It depends, but the answer is yes.

HDL cholesterol is one of the strongest predictors of both cardiovascular and cancer risk. It’s especially useful as this association seems to have no genetic basis, which implies it’s a modifiable risk factor. All non-drug interventions that improve health, for example by lowering weight, blood sugar, or inflammatory markers also raise HDL, including low carb […]

From Ancel Keys and the diet-heart hypothesis to LCHF may not be a huge leap.

By George Henderson and Grant Schofield Ancel Keys has become a kind of cartoon villain for dietary reformers for various reasons – allowing ecological epidemiological comparisons to dominate his thinking, attacking John Yudkin’s sugar hypothesis with made-up ecological claims, and basically (with a lot of help) bullying his rivals out of their labs and grants […]

The plant-based diet bias in criticising LCHF: Katz and co

Drs David Katz and Garth Davis are a good example of the type of crypto-vegan medical professional who believe in the power of the “plant based diet”. They have a knee jerk reaction to low carb diets, because they think these involve eating more meat. Here’s a news flash – you can eat more meat […]

FGF-21, protein, carbohydrate, and mice

Once again, the significance of a mouse study has been distorted by its authors and exaggerated by the media.  It grabbed our attention because it was the lead front page story in our national newspaper the New Zealand Herald, no less. Also, because we’ve been big advocates for lower carb intakes, especially for the insulin […]

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The Science of Human Potential

Understanding how to be the best you can be. Professor Grant Schofield.

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