Re: A little something for everyone...

Chris Malcolm <cam@xxxxxxxxxxxxxxxxx> wrote:
: Roger Zoul <rogerzoul2@xxxxxxxxxxx> wrote:
: > "Susan" <nevermind@xxxxxxxxxx> wrote in message
: > news:4hdcdiF1qujrmU1@xxxxxxxxxxxxxxxxx
: >> Roger Zoul wrote:

: >>> If he eat that amount to support/maintain an active lifestyle (lots of
: >>> regular exercise), I consider that LC. If he sits all day, I think it's
: >>> iffy if he's on the high end of that range.

: Neither my diet nor my activity levels are regular. Sometimes I pig a
: bit. Sometimes I'm having so much fun I skip a meal. Sometimes I sit
: in front of a computer all day. Sometimes I keep moving until fatigue
: or hunger makes me take a short break.

: >> Roger, low carb is an objective measure, no matter how active you are.

: There's nothing non-objective about saying that the low carb threshold
: for an individual is to be determined by blood testing, urine testing,
: or whatever. What makes it objective is that the criterion is
: repeatable and reliable enough, not that it's a fixed weight of carbs.

: > While many may believe that, I don't. We simply don't have the tools in
: > place today to define low carb relative to activity.

: >> You can fuel the activity with low or high carb, with 100 grams per day as
: >> the most typical low carb threshold cited by Lyle McD in his review of the
: >> research.

: You can't interpret research papers without taking into account the
: purposes and methodology of the research. A researcher will sometimes
: be looking for a statistically significant result, in which case all
: he needs is for enough people to show the results to establish
: statistical significance. He may also wish to use the same threshold
: as someone else in order to allow comparison, even though that
: threshold was arbitrary and known to be inaccurate. All that matters
: is that it be good enough for the purpose and method, which is why you
: need to be clear about the purpose and method before interpreting the
: threshold used.

: The most typical low carb threshold in use in research studies tells
: us nothing except what would be a good value to allow the best
: cross-study comparisons. It could quite possibly be the wrong
: threshold for half the population and still be perfectly good for the
: purposes of the research.

: >> If activity level were the determinant, that would render the term "low
: >> carb" meaningless.

: There's nothing meaningless or non-objective about such a statment as
: "low carb is lower than 10% of the body weight maintenance calorific
: needs" or "low carb is that which induces ketosis", both of which will
: vary with activity level.

: > If that were the case, why does Atkins mention people maintaining on
: > differing levels of carbs based on activity level? Hence, if activity
: > demands, then one can simply increase carbs to match activity, rather than
: > simply making it arbitrary. It's the arbitrary that's causing all the
: > problems - overconsumption of carbs based on activity.

: Once again it's the question of purpose. Atkins is not concerned about
: establishing a general point about human metabolism by means of
: statistical population studies, he's concerned about establishing
: specific effects in individual people. Since people vary in relevant
: respects, he explains how to establish your own individual threshold.

: IIRC, Atkins uses two different thresholds for his low carbing, the
: lowest one for the kickstarting induction phase, and a higher one for
: maintenance.

: If peopls such as Atkins have already appropriated the use of "low
: carb" for a diet which puts you into a specific metabolic state which
: my reductions of carbs haven't yet reached, then I guess I need a new
: term to characterise my diet, such as "pre-low-carb" :-)

: Since the aim of my diet is first to reduce post prandial BG spikes by
: reducing high GI carbs first and all carbs next, and then to reduce
: weight by reducing all carbs, replacing them to avoid hunger with fats
: and protein, then perhaps a good term for my diet would be "low spike
: low weight by lowering carbs", LSLWLC :-)

: --
: Chris Malcolm cam@xxxxxxxxxxxxxxxxxxxx +44 (0)131 651 3445 DoD #205
: IPAB, Informatics, JCMB, King's Buildings, Edinburgh, EH9 3JZ, UK
: [http://www.dai.ed.ac.uk/homes/cam/]

As a non-scientist, I wan tto try to paraphrase what I an getting out of
this discussion. I seems that many talk about carbs as an arbitrary
number per day, say under 100 or under 60 or whatever. Others talk about
low carbs as carbas as a percentage of teh foods eaten in a day or
percentage of calories eaten(semi- interchangeable terms). If the
percentage definition is used then the active pereson, say the guy who is
a pile driver or a stevedore or a ditch digger , who expends and needs
many calorries a day , could be a low carber if the percentage of those,
say 4,500calories that he eats in carbs is say, 10-15% or 450 -675 carbs
a day. Sounds weird, but is would be low carb by tht definition. That
works for me, although , until today, I had thought low carbs ws an
absolute number rather than a percentage number.

OK-I think I am clear on this. would you agree?

Wendy
.

Relevant Pages

  • Re: A little something for everyone...
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