Although convenience sampling may introduce bias, participants were recruited through both online and in-person channels in academic institutions and community settings, which allowed the inclusion of individuals from different age groups, educational levels, occupations, and residential areas, thereby enhancing sample diversity despite the absence of formal stratification or quotas
The fact that workers who stopped smoking, whilst remaining in the same job, lost their byssinotic symptoms was significant
Tobacco contains tar and nicotine, both of which can stain your teeth
The near-real-time meteorological data from the Goddard Earth Observation System-Forward Processing (GEOS-FP) 77 of the NASA Global Modeling and Assimilation Office (GMAO) was used to drive the GEOS-Chem model
No one should have to choose between their health and their job