General fitness, health and nutrition · Public discussion

Re: Low fat diet debunked!

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General fitness, health and nutrition
Published
8 February 2006
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9 February 2006
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  1. I didn't read all of the article, but as usual there's more to this
    than first meets the eye.

    Firstly, this study was started 8 years ago and the variables they used
    were based on things we knew (or thought we knew) then... which have
    *changed.*

    The first things is that at that time, there wasn't much distinguishing
    between TYPES of fat. Now it's commonly felt that saturated fats
    (including trans fats) are the culprits, and that monosaturated and
    polyunsaturated fats have a protective influence ... this study didn't
    discriminate between types of fat at all, so they could have been
    eating 100% saturated and trans fats, which is not considered to be
    heart healthy over time.

    Secondly, the amount of sugar and *total calories* weren't counted...
    in other words, they might have kept their proportion of fat down
    somewhat, but could have been eating unlimited *amounts* of food, which
    can make one fat even if it's all "healthy food"... iow, portion size
    matters a lot.
    (They also didn't cut their fat percentage by all that much, and most
    of them eventually got up to about 30% fat which is only a modest
    reduction in fat consumption.)

    Lastly, the participants weren't asked to do any exercise at all, and
    could have been couch potatoes for all we know. They also didn't tend
    to lose any weight which is also protective and usually happens (for
    any of the above reasons) when a good diet is followed with some
    exercise.

    So the study has serious flaws due to what it's premises were and all
    the variables that weren't taken into account or only modestly so.

    I think a different view will begin to emerge from the "experts" once
    the initial hype dies down.

    That's my 2 cents anyway,

    Diane B.

  2. Quoted message said:

    I didn't read all of the article, but as usual there's more to this
    than first meets the eye.

    Firstly, this study was started 8 years ago and the variables they used
    were based on things we knew (or thought we knew) then... which have
    *changed.*

    The first things is that at that time, there wasn't much distinguishing
    between TYPES of fat. Now it's commonly felt that saturated fats
    (including trans fats) are the culprits,

    Don't lump natural saturated fats in with artificially saturated trans
    fats.

    Quoted message said:

    and that monosaturated and
    polyunsaturated fats have a protective influence ...

    Polyunsaturates are not the healthiest either. High monounsaturated
    levels are the best.

    Quoted message said:

    this study didn't
    discriminate between types of fat at all, so they could have been
    eating 100% saturated and trans fats, which is not considered to be
    heart healthy over time.

    Diane B.

    --Bryan

  3. Quoted message said:

    Don't lump natural saturated fats in with artificially saturated trans fats. <

    True, they're even worse... but *too* much saturated fat is considered
    by most of the scientific community not to be heart healthy (...some
    folks disagree, I realize, esp. Atkins et al... but that's not what I'm
    saying).

    Re blood cholesterol, there's a diff. between naturally saturated fats
    and trans fats in the breakdown lipoprotein numbers :
    .....saturated fats raise the levels of LDL (and elevated LDL is a risk
    factor)...
    "...trans fatty acids raise blood cholesterol though not as much as
    saturated fats, however they raise "bad" cholesterol (LDL) *and they
    also* lower the "good" cholesterol" (HDL) . . .

    Quoted message said:
    Quoted message said:

    and that monosaturated and polyunsaturated fats have a protective influence ... <<

    Quoted message said:

    Polyunsaturates are not the healthiest either. High monounsaturated levels are the best. <

    I happen to agree with you, but I didn't find that sentiment
    universally shared in all the research I did, so felt I should include
    it. (The polyunsaturates containing Omega 3 are agreed upon at least.)

    (Also, it's true that fat in foods contains a mixture of saturated,
    monounsaturated, and polyunsaturated fatty acids... and we're just
    talking about the ones which have a high percentage of one or ther
    other.)

    Diane B.

  4. [email hidden] hitched up their panties and posted
    news:[email hidden]:

    Quoted message said:
    Quoted message said:

    Don't lump natural saturated fats in with artificially saturated
    trans fats. <

    True, they're even worse... but *too* much saturated fat is considered
    by most of the scientific community not to be heart healthy (...some
    folks disagree, I realize, esp. Atkins et al... but that's not what
    I'm saying).

    Re blood cholesterol, there's a diff. between naturally saturated fats
    and trans fats in the breakdown lipoprotein numbers :
    ....saturated fats raise the levels of LDL (and elevated LDL is a risk
    factor)...
    "...trans fatty acids raise blood cholesterol though not as much as
    saturated fats, however they raise "bad" cholesterol (LDL) *and they
    also* lower the "good" cholesterol" (HDL) . . .

    Quoted message said:
    Quoted message said:

    and that monosaturated and polyunsaturated fats have a protective
    influence ... <<

    Quoted message said:

    Polyunsaturates are not the healthiest either. High monounsaturated
    levels are the best. <

    I happen to agree with you, but I didn't find that sentiment
    universally shared in all the research I did, so felt I should include
    it. (The polyunsaturates containing Omega 3 are agreed upon at
    least.)

    (Also, it's true that fat in foods contains a mixture of saturated,
    monounsaturated, and polyunsaturated fatty acids... and we're just
    talking about the ones which have a high percentage of one or ther
    other.)

    Diane B.

    Yikes!!! this is what I do. I use trimmed meat. I kind of follow weight
    watchers. I count carbs and fat content. I use units. I don't get crazy,
    I just watch what I eat.

    Michael

    --
    “It requires a certain kind of mind to see beauty in a hamburger bun.”
    _Ray Kroc, creator of the McDonald's franchise

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