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On a morning net this week actually is Friday. There was a discussion, a little bit of a discussion of various effects of wildfire smoke on our health and even on radio and propagation. And these types of fires have become much more frequent, destructive and extreme, both in U.S. and in Canada. And once these fires water-like people live, and homes are put at great risk, our changing climate is a major factor of something that they're expected to continue in the future. The big health effect, other than the fire itself, is smoke. And it's called as a huge decremental effect on the heart, lungs and brain. They're really concerning substances. There are PM2.5, particularly if it's less than 2.5 micrometers in size. And after the deep into body tissues and the plant in the bloodstream. And there are about 20, under about 20,000 people.