In a study performed at the International Space Station, NASA established that HEPA filters are even better at capturing smaller particles
Our recommendations involve first-hand experience with these products, and from our own knowledge of what can benefit a smoker
The use of pack-years to assess the risk of developing COPD or some other lung diseases has been criticized for being a measure based on the assumption that both smoking intensity and duration are of equal importance.11,16,26 However, some authors argue that it should continue to be used because of its simplicity and because it is a measure that provides information on the cumulative amount of tobacco consumption.9,16,27,28 In this study, COPD risk increases linearly with the increase in pack/years, an aspect that also occurs in the nonparametric model
Epidemiological trends of ND Joinpoint regression analysis was employed to analyze the trend of ASDR from 1990 to 2021, calculating the APC and AAPC (Supplementary file: Figure 2 and Table 3)