3 ms·
It is bad of course! PM does pass straight into our bloodstream. I was just talking about the test setup. A test of any purifier should be compared to a test w
by cosmolev 7y ago
It is bad of course! PM does pass straight into our bloodstream.
I was just talking about the test setup. A test of any purifier should be compared to a test with a person in a room without purifier. Otherwise those results are not significant.