General fitness, health and nutrition · Public discussion

dietary fat & cardio deaths: quality not quantity

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General fitness, health and nutrition
Published
21 January 2005
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22 January 2005
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Zee
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  1. Dietary Fat Quality May be More Important Than Fat Quantity in Reducing
    Risk of Cardiovascular Deaths in Middle-Aged Men

    CHICAGO - The type of dietary fats consumed by middle-aged men,
    especially polyunsaturated fats and linoleic acids, may be more
    important than total fat intake in reducing the risk of cardiovascular
    deaths, according to a study in the January 24 issue of Archives of
    Internal Medicine.

    According to background information in the article, substitution of
    dietary polyunsaturated fat has been recommended for several decades in
    the primary prevention of cardiovascular disease (CVD), but few studies
    have provided scientific support for the advice. Some metabolic
    studies show that polyunsaturated fats lower serum low-density
    lipoprotein cholesterol (LDL-C) concentration [the so-called 'bad
    cholesterol'], while saturated fat increases LDL-C. Linoleic acid
    is a liquid polyunsaturated fatty acid abundant in plant fat and oils
    (e.g., flaxseed, linseed oil).

    David E. Laaksonen, M.D., Ph.D., from University of Kuopio, Finland,
    and colleagues, assessed the dietary linoleic and total polyunsaturated
    fatty acid (PUFA) intake with cardiovascular and overall rates of death
    in 1,551 middle-aged men living in eastern Finland. The assessments
    were made through food records and blood tests for glucose and serum
    cholesterol levels.

    "During the 15-year follow-up, 78 men died of CVD and 225 of any
    cause," the researchers report. "Middle-aged men with proportions
    of serum linoleic acid, n-6 (omega-6) fatty acids, and especially PUFA
    in the upper third were up to three times less likely to die of CVD
    than men with proportions in the lower third. Dietary intake of
    linoleic acid and total PUFA as assessed with a 4-day food record was
    also inversely associated with CVD, but total fat intake was not."

    In conclusion the authors write: "Dietary fat quality thus seems more
    important than fat quantity in the reduction of CVD mortality in
    middle-aged men. Carrying out recommendations to replace saturated fat
    with polyunsaturated fat in the primary prevention of cardiovascular
    disease may substantially decrease CVD and to a lesser degree overall
    mortality."

    (Arch Intern Med. 2005;165: 193-199.

  2. Typical nonsense "study." Peoples have used coconut oil and palm
    kernel oils as dietary staples for thousands of years, and some still
    do, and yet, no heart disease. The problem is how unhealthy "red meat"
    is, not the saturated fatty acids. It's all about oxidative stress as
    the mechanism, and it's the polyunsaturated fatty acids in meat, not
    the saturated ones, than can produce oxidative stress, though the iron
    content, the oxidized cholesterol, the high tryptophan content, etc.
    are also problems. Also, there is the social factor, that is, those
    who say they eat less "saturated fat" generally take care of themselves
    better than those who say "I just eat what I want, and I love pork
    rinds aned greasy burgers." Basically, this kind of "study" is more of
    a sociological document than a scientific one.
    I've been packing my body with loads of highly saturated fats and
    non-oxidized cholesterol for a few years now. These substances should
    be dietary staples, not avoided as if they were "disease causing." I'm
    the only one in my family (I'm 40, they are old or a few years younger)
    who is not obese and does not have a "chronic disease." A recent MRA
    showed no signs of atherosclerotic plaque. My cholesterol was 209 with
    63 HDL and 129 LDL on the last test, and the glucose was 75. TGs were
    in normal range.

    Zee said:

    Dietary Fat Quality May be More Important Than Fat Quantity in


    Reducing

    Quoted message said:

    Risk of Cardiovascular Deaths in Middle-Aged Men

    CHICAGO - The type of dietary fats consumed by middle-aged men,
    especially polyunsaturated fats and linoleic acids, may be more
    important than total fat intake in reducing the risk of


    cardiovascular

    Quoted message said:

    deaths, according to a study in the January 24 issue of Archives of
    Internal Medicine.

    According to background information in the article, substitution of
    dietary polyunsaturated fat has been recommended for several decades


    in

    Quoted message said:

    the primary prevention of cardiovascular disease (CVD), but few


    studies

    Quoted message said:

    have provided scientific support for the advice. Some metabolic
    studies show that polyunsaturated fats lower serum low-density
    lipoprotein cholesterol (LDL-C) concentration [the so-called 'bad
    cholesterol'], while saturated fat increases LDL-C. Linoleic acid
    is a liquid polyunsaturated fatty acid abundant in plant fat and oils
    (e.g., flaxseed, linseed oil).

    David E. Laaksonen, M.D., Ph.D., from University of Kuopio, Finland,
    and colleagues, assessed the dietary linoleic and total


    polyunsaturated

    Quoted message said:

    fatty acid (PUFA) intake with cardiovascular and overall rates of


    death

    Quoted message said:

    in 1,551 middle-aged men living in eastern Finland. The


    assessments

    Quoted message said:

    were made through food records and blood tests for glucose and serum
    cholesterol levels.

    "During the 15-year follow-up, 78 men died of CVD and 225 of any
    cause," the researchers report. "Middle-aged men with proportions
    of serum linoleic acid, n-6 (omega-6) fatty acids, and especially


    PUFA

    Quoted message said:

    in the upper third were up to three times less likely to die of CVD
    than men with proportions in the lower third. Dietary intake of
    linoleic acid and total PUFA as assessed with a 4-day food record was
    also inversely associated with CVD, but total fat intake was not."

    In conclusion the authors write: "Dietary fat quality thus seems more
    important than fat quantity in the reduction of CVD mortality in
    middle-aged men. Carrying out recommendations to replace saturated


    fat

    Quoted message said:

    with polyunsaturated fat in the primary prevention of cardiovascular
    disease may substantially decrease CVD and to a lesser degree overall
    mortality."

    (Arch Intern Med. 2005;165: 193-199.

  3. montygram said:

    Typical nonsense "study." Peoples have used coconut oil and palm
    kernel oils as dietary staples for thousands of years, and some still
    do, and yet, no heart disease. The problem is how unhealthy "red


    meat"

    Quoted message said:

    is, not the saturated fatty acids. It's all about oxidative stress


    as

    Quoted message said:

    the mechanism, and it's the polyunsaturated fatty acids in meat, not
    the saturated ones, than can produce oxidative stress, though the


    iron

    Quoted message said:

    content, the oxidized cholesterol, the high tryptophan content, etc.
    are also problems. Also, there is the social factor, that is, those
    who say they eat less "saturated fat" generally take care of


    themselves

    Quoted message said:

    better than those who say "I just eat what I want, and I love pork
    rinds aned greasy burgers." Basically, this kind of "study" is more


    of

    Quoted message said:

    a sociological document than a scientific one.
    I've been packing my body with loads of highly saturated fats and
    non-oxidized cholesterol for a few years now. These substances


    should

    Quoted message said:

    be dietary staples, not avoided as if they were "disease causing."


    I'm

    Quoted message said:

    the only one in my family (I'm 40, they are old or a few years


    younger)

    Quoted message said:

    who is not obese and does not have a "chronic disease." A recent MRA
    showed no signs of atherosclerotic plaque. My cholesterol was 209


    with

    Quoted message said:

    63 HDL and 129 LDL on the last test, and the glucose was 75. TGs


    were

    Quoted message said:

    in normal range.

    Zee said:

    Dietary Fat Quality May be More Important Than Fat Quantity in


    Reducing

    Quoted message said:

    Risk of Cardiovascular Deaths in Middle-Aged Men

    CHICAGO - The type of dietary fats consumed by middle-aged men,
    especially polyunsaturated fats and linoleic acids, may be more
    important than total fat intake in reducing the risk of


    cardiovascular

    Quoted message said:

    deaths, according to a study in the January 24 issue of Archives of
    Internal Medicine.

    According to background information in the article, substitution of
    dietary polyunsaturated fat has been recommended for several


    decades

    Quoted message said:

    in

    Quoted message said:

    the primary prevention of cardiovascular disease (CVD), but few


    studies

    Quoted message said:

    have provided scientific support for the advice. Some metabolic
    studies show that polyunsaturated fats lower serum low-density
    lipoprotein cholesterol (LDL-C) concentration [the so-called 'bad
    cholesterol'], while saturated fat increases LDL-C. Linoleic


    acid

    Quoted message said:
    Quoted message said:

    is a liquid polyunsaturated fatty acid abundant in plant fat and


    oils

    Quoted message said:
    Quoted message said:

    (e.g., flaxseed, linseed oil).

    David E. Laaksonen, M.D., Ph.D., from University of Kuopio,


    Finland,

    Quoted message said:
    Quoted message said:

    and colleagues, assessed the dietary linoleic and total


    polyunsaturated

    Quoted message said:

    fatty acid (PUFA) intake with cardiovascular and overall rates of


    death

    Quoted message said:

    in 1,551 middle-aged men living in eastern Finland. The


    assessments

    Quoted message said:

    were made through food records and blood tests for glucose and


    serum

    Quoted message said:
    Quoted message said:

    cholesterol levels.

    "During the 15-year follow-up, 78 men died of CVD and 225 of any
    cause," the researchers report. "Middle-aged men with proportions
    of serum linoleic acid, n-6 (omega-6) fatty acids, and especially


    PUFA

    Quoted message said:

    in the upper third were up to three times less likely to die of CVD
    than men with proportions in the lower third. Dietary intake of
    linoleic acid and total PUFA as assessed with a 4-day food record


    was

    Quoted message said:
    Quoted message said:

    also inversely associated with CVD, but total fat intake was not."

    In conclusion the authors write: "Dietary fat quality thus seems


    more

    Quoted message said:
    Quoted message said:

    important than fat quantity in the reduction of CVD mortality in
    middle-aged men. Carrying out recommendations to replace saturated


    fat

    Quoted message said:

    with polyunsaturated fat in the primary prevention of


    cardiovascular

    Quoted message said:
    Quoted message said:

    disease may substantially decrease CVD and to a lesser degree


    overall

    Quoted message said:
    Quoted message said:

    mortality."

    (Arch Intern Med. 2005;165: 193-199.

    I really have no set ideas here. It seems to me many men have
    cardiovascular problems beginning in their 40s no matter how they eat;
    eat like you describe, or eat like me--modified Mediterranean. (I
    wouldn't dare touch coconut oil or palm oil). I am constantly amazed at
    the different ways of eating that seem to work for different
    individuals.

    Zee

  4. I am curious as to how or if one differentiates between cardiovascular
    disease and lesions from age related narrowing of the arteries without
    lesions.

    I plead ignorance on the subject and am just trying to figure out if
    narrowing of the arteries is in itself cardiovascular disease or whether
    there has to be a lesion along with the narrowing in order for there to be
    a diagnosis of cardiovascular disease.

    I can mentally picture water pipes with calcium deposits narrowing with time
    because of lime and other mineral deposits. I can also picture water pipes
    with a structural defect in the pipe which may eventually fail along with
    the mineral deposits.

    In such a simplistic picture I can visualize the water pipes without the
    structural defect in the pipes continue to cary water for quite some time
    (although with a higher velocity because of the narrowing) without actually
    bursting. I suppose that the higher velocity caused by the narrowing could
    in itself increase the pressure in the pipe and eventually cause a
    structural failure in the pipe. Is this how it works? Does anyone really
    know?

  5. Quoted message said:
    Quoted message said:
    Quoted message said:

    (Arch Intern Med. 2005;165: 193-199.

    I really have no set ideas here. It seems to me many men have
    cardiovascular problems beginning in their 40s no matter how they eat;
    eat like you describe, or eat like me--modified Mediterranean. (I
    wouldn't dare touch coconut oil or palm oil).

    Bsed on, exactly, what?

    I am constantly amazed at

    Quoted message said:

    the different ways of eating that seem to work for different
    individuals.

    "Work"? They lived longer? Felt better? Died of something unexpected for
    their peer group? Be specific.

    m

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