is vapor better than smoke - Health Topics
News-Medical.Net: Lab study shows cigarette smoke damaged lung cells more than e-cigarette vapor Lab study shows cigarette smoke damaged lung cells more than e-cigarette vapor Researchers found that cigarette smoke extract disrupted the lung cell barrier, increased IL-6 inflammation, and caused DNA damage in Calu-3 cells, while e-cigarette vapor extract showed no ... The partial pressure of vapor is approximately equal to (saturated) vapor pressure and the pressure difference to external pressure is compensated by partial pressure of the system air. If the mass transfer is faster than evaporation, the open system does not reach saturation and vapor partial pressure is smaller than (saturated) vapor pressure.