There is certainly knowledge on effects of forest fires: eg: https://www.sciencedirect.com/science/article/abs/pii/S001393511930194X … And as is there data on lung effects of living in polluted areas, with some comparisons to smoking. Don’t think there’s head to head data on effects of wildfire vs smoking
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Replying to @virenkaul @ketaminh and
I've actually had a few people ask me if it is the same level of concern and I haven't had the answer, so I was interested to see these remarks and wanted to know if there was evidence to back it up
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Replying to @coopesdetat @ketaminh and
I’d say there is very much similar if not the same level of concern: it’s smoke / particulate / irritant exposure I’m high quantities over long periods of time (the fires have been ongoing!). Data from pollution, other irritant inhalation would suggest absolute cause of concern!
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Replying to @virenkaul @coopesdetat and
I don't know that I'd agree with the long periods of time per se. From what I've heard, the high levels of particulate matter come and go - you might have a week or two with very high levels followed by a similar length without
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Replying to @GidMK @virenkaul and
Mate we have probably had, out here, one or two days at most below hazardous or very poor, in a number of weeks. You might get reprieve on the coast, inland we really don't
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Replying to @coopesdetat @virenkaul and
I guess it's more the comparison to smoking. AFAIK, that's based on levels of PM2.5 and/or PM10 particles - are they high enough to match smoking all the time, for extended periods of time?
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Replying to @GidMK @virenkaul and
I don't so much care about what he has said ref smoking comparison, and take your point there. I do absolutely have a problem with him asserting that bushfire smoke has short term effects only cf other kinds of pollution. It's not correct
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I know of a fair bit of environmental epi looking at PM2.5, it's mostly about car exhaust pollution (particularly NOx). Lots of risks, but hard to infer causation in some cases because of the complex social factors
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The challenge is that most evidence (that I know of) uses average levels of pollution. I think there's an interesting question of whether having alternating heavy/light days causes similar impacts, or potentially worse/better
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Replying to @GidMK @DrDayaSharma and
Yeah similar effect with melanoma, I learned recently, where burst exposures of sun (eg weekend warrior out on their bike) more risky than daily prolonged exposure (eg outdoor workers). We just don't have a precedent here
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