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View Diary: Study: Traffic Related Air Pollution = X3 Chance Of Autism (122 comments)

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  •  Asthma (8+ / 0-)

    is a whole other story and I never said I was skeptical about that one. That has a clear and biologically plausible relationship.

    I analyze data in a related field. There are a lot of studies out there like this one. You could pretty much name your exposure and get a finding. There have been studies suggesting a relationship between diet and autism, virus exposure and autism, stress and autism, Vitamin D and autism, Tylenol and autism ... there was one that found a relationship between TV watching and autism (based on weather - where it was rainy they assumed TV watching was greater) ... on and on. Does that mean those are all, 100% accurate and causal? Maybe, or maybe some are causal and some are just a correlation, or maybe some had inaccurate findings due to small sample size or what have you. In epidemiology it generally takes more than one, relatively small and localized study to draw a major conclusion.

    •  You're confused, probably willingly so. (0+ / 0-)

      There's just as much a reason to believe in the biological relationship between breathing in pollution and having a breathing disorder as there is to brain health.

      You've mentioned lead. You know very well that these things are biologically related.

      http://en.wikipedia.org/...

      What's fascinating is your willingness to believe it for less evil sounding forms of disease (like asthma) but not for brain damage like autism. A very typically American form of denial that serves the fossil fuel industry well and has for quite awhile.

      By your own admission, you've now admitted I'm right.

      If you accept asthma, then you're being a hypocrite by not accepting autism.

      •  Sigh (5+ / 0-)

        Really?

        Particulate matter goes into the lungs and damages the lungs, leading to asthma. Thus cockroaches in the home for example are known to increase asthma in children because they are associated with poor air quality and dust.

        That doesn't mean cockroaches in the home also increase autism. Autism isn't necessarily caused by the same mechanism.

        Smoking is a strong cause of lung cancer, but that doesn't mean it causes breast cancer (right now the evidence on that question is weak).

        In short, the relationship between an exposure and an outcome isn't identical for all types of health outcomes.

    •  pat, I applaud your quiet, thoughtful responses nt (4+ / 0-)

      Fry, don't be a hero! It's not covered by our health plan!

      by elfling on Tue Nov 27, 2012 at 03:00:44 PM PST

      [ Parent ]

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