Category nutrition

The BROAD study – a super-low fat vegan intervention for weight loss

By George Henderson and Grant Schofield There are few diet trials published from New Zealand, so we’re always keen to see them; and there are even fewer vegan diet trials. We are even more interested when they go beyond their data, and start in on a sort of zealot approach to running down low carb diets […]

What Really Happens to Saturated Fat on a Low Carb Diet?

In our last post, we went into a lot of detail about specific types of saturated fat and their effects on HDL. Here, we’ll try to summarise that information, and highlight some interesting conclusions, in simpler language. But first, a short chemistry lesson. Nothing too hard, hopefully – we’ll just focus on the main dietary […]

Diet and HDL; the effect of myristic acid vs carbohydrate.

The nutrients that raise and lower HDL and ApoA1. So is getting your HDL high a good thing?  It probably depends if you earned it or not…..and what you eat especially myristic acid This very interesting study from 2014 brings into focus many of our recent posts about HDL, TG/HDL, ApoB/ApoA1 in the context of […]

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 […]

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

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