I did NOT take my anti-histamine today and let's have a test! Btw, the bands of the mask is very tight (shown by the red arrows), not sure how long I can keep it ...
One Response to “How to wear an N95 mask and its anti-pollen effect ...”
Today's test failed - leftover effect of anti-histamine from yesterday, I need it be cleared out of my blood for this experiment
Today's test failed - leftover effect of anti-histamine from yesterday, I need it be cleared out of my blood for this experiment