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On their own, these high concentrations of PM2.5 are dangerous to peoples health

"She was very humble, chatty, spoke Spanish very well," her former guide Gregorio Mamani told the New York Times

Canadian Customs strictly monitors incoming goods to protect national security, the economy, and the health of its citizens

Time series models were used to estimate sex- and age-specific associations and long-term lagged effects of alcohol and tobacco consumption

But if we want to optimize the HVAC system, we suggest that the exhaust should be installed on the wall in addition to the vents placed on the ceiling. Next, the researchers want to take a step beyond measuring particle dispersion to particle reduction