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« on: June 27, 2016, 01:53:36 pm »
Reaction to dust and the health problems it can cause, while not a new subject, is something that a lot of woodworkers are not fully aware of. Dust collection has become as big of a topic on various woodworking forums as that table saw to buy or the preferred method for cutting dovetails. Lots of debate, lots of discussion, but it all helping to get the word out in the woodworking community.
Scrolling doesn't generate as much of the very fine dust that can cause respiratory problems, as sanding does, but it still is an issue not to be overlooked. Sanding is one of the primary culprits. As was mentioned, different people react to different species and sometimes this sensitivity comes about later in life. I've read of folks who have worked with a particular species for many years, with no problems, only to suddenly realize they've developed a sensitivity to it. The sensitivity can manifest itself in different ways; skin rashes, eye irritation, difficulty breathing, etc. Makes it tough to pinpoint the source, given all the other allergens people can be exposed to.
Important thing is that you now have some evidence of ash causing you problems. By taking precautions, with proper safety gear and some sort of dust mitigation, you should be able to tell if it is sufficient to prevent further problems. Bottom line is that these precautions are good to take, even if we don't believe we will have a reaction. Better safe than sorry.
Hope you are able to get past your health issues and continue to enjoy the hobby.