I don't have all the answers, but all the research I've seen on what makes a
dietary component acidic or basic compares diets that are the SAD - they eat
plenty of grain, dairy, processed food. One group eats relatively more meat
or cheese (but plenty of bread and dairy) while the other eats relatively
more fruits and veggies (but still, plenty of grain and dairy). Maybe
vegetables can counter the bone density loss caused by phytic acid
consumption - which means that if you're on the SAD more veggies might be
good but isn't relevant to the health of someone who has a paleo diet
(because, last I checked, pretty much every version of paleo I've ever heard
of is anti-grain at the very least). By the way, the explanations of WHY
certain foods are acid-promoting or alkaline-promoting are extremely weak.
The claims are based on studies, not on mechanisms, and like I said, all the
studies I've looked up are comparing slightly different versions of a modern
diet.
Cordain can't get past a number of pieces of conventional wisdom that he's
been saddled with. Look at his take on saturated fat - he's been skewered
here plenty of times for that, and while I understand how hard it is to
break free of the "everyone knows..." voice in your head, he ought to know
better.
On Fri, Sep 11, 2009 at 12:33 PM, Kenneth Anderson <[log in to unmask]>wrote:
> Is it possible that the Inuit didn't live long enough to show signs of
> the loss of mineral density from a supposedly completely alkaline
> diet? What was the age of the remains studied? If Cordain has
> explained this I haven't seen it. Is it possible that there are
> several dietary ways the body finds to achieve the acid/alkaline
> balance desired? If so why do all the experts say that the Only way
> to provide the necessary alkaline is with fruits and vegetables?
>
> Ken
>
> Date: Thu, 10 Sep 2009 18:13:33 -0400
> From: Joseph Berne <[log in to unmask]>
> Subject: Re: Great blog post about saturated fats
>
> We have one piece of serious evidence refuting Cordain's position on
> acid/alkaline issues on bone health - the existence of populations (most
> notably the Inuit) who lived on what would have been, according to Cordain,
> massively acid-promoting diets (meat and fat, no plants) yet whose remains
> show no signs of loss of mineral density. On the contrary, their remains
> show very healthy bones and teeth, far superior to those of plant eating
> populations.
> How that is possible is another question. Perhaps their increased vitamin
> intake (D3 and K2M4) from the animal fat they ate protected their bones.
> They certainly didn't eat excessive amounts of calcium. All the research
> on acid/alkaline dietary components and bone density come from research on
> people eating a mostly standard american diet, not comparing high plant
> content paleo diets to low plant content paleo diets.
>
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