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Sieben comments on Googling is the first step. Consider adding scholarly searches to your arsenal. - Less Wrong
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Comments (45)
People who eat red meat tend to:
Do you understand why it's not... entirely honest... to blame red meat? It shows up as a statistical correlate. It can be used to identify people at risk for these conditions, but then researchers make a leap and infer a causal relationship.
It's an ideological punchline they can use to get published. And that's all.
I followed the first link http://care.diabetesjournals.org/content/27/9/2108.short and the abstract there had "After adjusting for age, BMI, total energy intake, exercise, alcohol intake, cigarette smoking, and family history of diabetes, we found positive associations between intakes of red meat and processed meat and risk of type 2 diabetes."
And then later, "These results remained significant after further adjustment for intakes of dietary fiber, magnesium, glycemic load, and total fat." though I'm not sure if the latter was separate because it was specifically about /processed/ meat.
So long as they keep the claim as modest as 'eating red meat "may" increase your risk of type II diabetes.' it seems reasonable. They could still be wrong of course, but the statement allows for that. I should note here that the study was on women over 45, not a general population of an area.
If there's better evidence that the search is not finding, that is a problem.
You do understand that scientist don't just look for correlations but form a bit more complex models than that. Do you seriously think that things like that are not taken into account!? Hell, I am willing to bet that a bunch of the studies test those correlations by comparing for example smokers who eat more red meat versus smokers who eat less/none read meat.
I mean, come on.
Taking everything into account is difficult, especially when you have no idea exactly what you aught to be taking into account. Even if you manage to do that exactly right, there is still publication bias to deal with. And if you are using science for practical purposes, it's even harder to make sure that the research is answering the right question in the first place, Sieben's comments sound anti-science...but really they are frustration directed towards a real problem. There really is a lot of bad science out there, sometimes it is even published in top journals - and even good science is usually extremely limited insofar as you can use it in practice.
I think it's just important to remember that while scientific papers should be given more weight than almost every other source of evidence, that's not actually very much weight. You can't instrumentally rely on a scientific finding unless it's been replicated multiple times and/or has a well understood mechanism behind it.
Red meat adds a literal sizzle to research papers.