Re: Another Phony Dairy Industry Study
>>Dare I say that you are biased. I doubt that more people
>>will start drinking
milk or more people will stop drinking milk because of Bozos
like you [Cohen]. <<
COMMENT:
Indeed. If you go to medline, you find that not only did
Elwood do his own epidemiological study of dairy consumption,
but also a meta-analysis of 10 other pretty good studies.
Result--- a small but statistically significant suggestion
that there is something in milk which prevents stroke. An
example of this kind of finding is from the Honolulu Heart
Program, which found the protective effect of milk (non milk
drinkings had twice the stroke risk), but not other calcium
foods, suggesting that whatever is in milk which protects
against stroke, if anything, it's NOT the calcium. We don't
KNOW what it is. Geez, wouldn't it be politically incorrect
if it turned out to be the dairy fat. Shades of Woody Allen
and Sleeper.
You know, when the French found that drinking a lot of red
wine and eating French cheese didn't automatically make you
drop over dead, nobody in particular accused them of being
shills for the Bordeaux and Brie industries. Though there was
at least as much justification for the suspicion. Rather, they
went ahead and looked at a number of studies to see if the
effects were replicable and robust, and it turned out that
they were. So they scratched their heads. This is the
beginning of knowledge, of wisdom. You admit that what the
principle you thought was generally true, didn't predict a
particular real result. So maybe your worldview needs to be
more complex.
Once upon a time, everybody knew for sure alcohol was bad
for people. And certainly cheese. And milk, well---
forgetabout it.
But reality just isn't that easy. Sorry.
Eur J Clin Nutr. 2004 May;58(5):718-24.
Milk drinking, ischaemic heart disease and ischaemic stroke
II. Evidence from cohort studies.
Elwood PC, Pickering JE, Hughes J, Fehily AM, Ness AR.
Department of Epidemiology, Statistics and Public Health,
University of Wales College of Medicine, Cardiff, UK.
pelwood~doctors.org.uk
OBJECTIVE: Milk consumption is considered a risk factor for
vascular disease on the basis of relevant biological
mechanisms and data from ecological studies. The aim was to
identify published prospective studies of milk drinking and
vascular disease, and conduct an overview. DESIGN: The
literature was searched for cohort studies, in which an
estimate of the consumption of milk, or the intake of calcium
from dairy sources, has been related to incident vascular
disease. MAIN OUTCOME MEASURES: Ischaemic heart disease and
ischaemic stroke. RESULTS: In total, 10 studies were
identified. Their results show a high degree of consistency in
the reported risk for heart disease and stroke, all but one
study suggesting a relative risk of less than one in subjects
with the highest intakes of milk. A pooled estimate of
relative odds in these subjects, relative to the risk in
subjects with the lowest consumption, is 0.87 (95% CI
.74-1.03) for ischaemic heart disease and 0.83 (0.77-0.90) for
ischaemic stroke. The odds ratio for any vascular event is
0.84 (0.78-0.90). CONCLUSIONS: Cohort studies provide no
convincing evidence that milk is harmful. While there still
could be residual confounding from unidentified factors, the
studies, taken together, suggest that milk drinking may be
associated with a small but worthwhile reduction in heart
disease and stroke risk. SPONSORSHIP: The University of Wales
College of Medicine and Bristol University. Current support is
from the Food Standards Agency.
Publication Types: Meta-Analysis Review Review, Tutorial
PMID: 15116074 [PubMed - indexed for MEDLINE]
==========================================
Stroke. 1996 May;27(5):813-8.
Effect of dietary calcium and milk consumption on risk of
thromboembolic stroke in older middle-aged men. The Honolulu
Heart Program.
Abbott RD, Curb JD, Rodriguez BL, Sharp DS, Burchfiel
CM, Yano K.
Division of Biostatistics, University of Virginia School of
Medicine, Charlottesville 22908, USA.
BACKGROUND AND PURPOSE: Evidence suggests that dietary calcium
is protective against hypertension. This report examines
whether the effect has an influence on thromboembolic stroke.
METHODS: Since 1965, the Honolulu Heart Program has followed a
cohort of men in a study of cardiovascular disease. This
report examines the effect of baseline dietary calcium and
milk intake on stroke risk in 22 years of follow-up in 3150
older middle-aged men (55 to 68 years). RESULTS: Men who were
nondrinkers of milk experienced stroke at twice the rate (P <
.05) of men who consumed 16 oz/d or more (7.9 versus 3.7 per
100, respectively). While the rate of stroke decreased with
increasing milk intake (P < .05), the decline in stroke risk
with increased consumption was modest for those who consumed
under 16 oz/d. Intake of dietary calcium was also associated
with a reduced risk of stroke (P < .01), although its
association was confounded with milk consumption. Calcium
intake from nondairy sources was not related to stroke,
suggesting that other constituents or covariates related to
milk consumption may be important. CONCLUSIONS: We conclude
that an association between milk consumption and a reduced
risk of stroke in older middle-aged men cannot be explained by
intake of dietary calcium. Since milk is often part of a
diverse pattern of dietary intake, it is difficult to
determine whether milk consumption has a direct role in
reducing the risk of stroke. Data suggest that consumption of
milk in older middle age is not harmful, and when combined
with a balanced diet, weight control, and physical activity,
reductions in the risk of stroke may occur.
PMID: 8623098 [PubMed - indexed for MEDLINE]
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