[Stoves] Stoves Digest, Vol 93, Issue 5
Paul Anderson
psanders at ilstu.edu
Wed May 9 07:56:55 CDT 2018
/Interesting result.
/
Curious. Is the 90% figure based on particle count or weight, or
something else?
Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: psanders at ilstu.edu
Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
On 5/9/2018 7:36 AM, Norbert Senf wrote:
> Here's an interesting study, published today:
>
> "Coarse particulate matter (PM2.5–10) in Los Angeles Basin air induces
> expression of inflammation and cancer biomarkers in rat brains."
> https://www.nature.com/articles/s41598-018-23885-3
>
> What is interesting is that, even with long term exposure, they only
> found the specific biomarkers in PM2.5-10 (coarse PM), but not in
> ultrafine PM (<0.15 um) or fine PM (<2.5 um).
> 90% of wood smoke PM is smaller than 1 um.
>
> Norbert
>
> On Mon, May 7, 2018 at 3:19 PM, Norbert Senf <norbert.senf at gmail.com
> <mailto:norbert.senf at gmail.com>> wrote:
>
> (snip)
>
> ------------------------------
> Crispin Pemberton-Pigott <crispinpigott at outlook.com
> <mailto:crispinpigott at outlook.com>> wrote:
> (snip)
> The cleaner the air in North America, the more common asthma
> there is. Is cleaner air contributing to the shortening of
> lives in North America? On the face of it, possibly.
> (snip)
>
>
> "Yukon's clean air could be why fewer youth are hospitalized with
> asthma"
> http://www.cbc.ca/news/canada/north/yukon-asthma-hospitalization-cihi-clean-air-1.4639852
> <http://www.cbc.ca/news/canada/north/yukon-asthma-hospitalization-cihi-clean-air-1.4639852>
>
> "...The report also shows that asthma hospitalization rates tend
> to be higher in urban areas in Canada, compared to rural and
> remote areas.
>
> "Our air is pretty pristine, and air pollution is shown to be a
> factor associated with asthma exacerbation," said Brendan Hanley,
> Yukon's Chief Medical Officer of Health.
>
> In places such as Nova Scotia and Ontario, asthma hospitalization
> rates are much higher in urban centres compared to rural, the
> report said. A similar comparison wasn't included
> for Yukon because of a lack of data.
>
> (snip)
>
> But Hanley said Yukon's air quality is not perfect. He says air
> pollution tends to spike in residential areas due to wood-burning,
> but those tend to be short-term exposures.
>
> Other possible reason for Yukon's low rate could be attributed
> to good access to primary care for children with asthma and good
> rates of controls in terms of medication, according to Hanley."
>
>
> --
> Norbert Senf
> Masonry Stove Builders
> 25 Brouse Road, RR 5
> Shawville Québec J0X 2Y0
> 819.647.5092
> www.heatkit.com <http://www.heatkit.com>
>
>
>
>
> --
> Norbert Senf
> Masonry Stove Builders
> 25 Brouse Road, RR 5
> Shawville Québec J0X 2Y0
> 819.647.5092
> www.heatkit.com <http://www.heatkit.com>
>
>
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