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PM 2.5 dust can activate inflammatory immune cells and promote the release of pro-inflammatory cytokines in the sinus lining, causing: Stimulates the inflammation of the sinus lining, causing nasal congestion, runny nose, postnasal drip, facial or headache, coughing, sneezing, difficulty breathing, and some people may have a foul odor from within the nose

While a mechanical filter does remove tiny particles, it does not remove harmful chemicals

Portable air ventilation systems are used to continually filter and exchange air within enclosures and workers use personal safety measures that include respirators, gloves and protective clothing

(October 26, 1927 April 15, 1983), [13] a high school history/social studies teacher and football coach from Brooklyn

It was then rotated to 180, and the other side of the swab was stroked 10 times across the lesion in the same manner

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