ivor & olive lewis on wed 5 may 10
To get a good survey of the condition, a form of Pneumoconiosis. see Encyc.
Britannica.
I seem to recall when considering health problems while doing my technician=
s
certificate that free silica might be benign were it not for the sharp edge=
s
of the fragments. As one's lungs are more or less in continual motion and
the offending contaminant is insoluble, tissue that lines the interior of
affected lungs is continually abraded and hence continually growing new sca=
r
tissue. Lung transplant seems to be the best option for an affected person
who wishes to reach a ripe old age
Best regards to all,
Ivor Lewis,
Redhill,
South Australia
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