Tuesday, July 31, 2012

Hahn on AC's Analysis

In response to AC's blog about the "calorie is not a calorie" study most recently posted (my response is here), Fred Hahn at Slow Burn adds the following cogent analysis:

The researchers state in their discussion (the bolding is my doing):
Although the very low-carbohydrate diet produced the greatest improvements in most metabolic syndrome components examined herein, we identified 2 potentially deleterious effects of this diet. Twenty-four hour urinary cortisol excretion, a hormonal measure of stress, was highest with the very low-carbohydrate diet.
Highest yes, but high? Heck no.
What they don’t say, for whatever reason, is that none of the levels measured for CRP or cortisol reached abnormally high levels. Not even close. The levels in ALL groups were well within the norms. Heightened catabolism AC? Poppycock. In fact, all groups saw a significant improvement in their CRP levels, with all groups falling into the normal range, which neatly tucks them into the low risk category for CRP / cortisol measures.
It’s literally insane for the researchers to say “We identified 2 potentially deleterious effects of this diet…” especially considering the statement that I bolded above. As I see it, the researchers, as well as AC, want to make something big out of absolutely nothing. You can almost smell their disdain for the low-carb hypothesis.


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