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Effective density and mass The effective density of an aerosol particle relates its mobility diameter and mass, properties which govern the particles trajectory (through diffusion and impaction), and quantity of non-gaseous chemicals delivered during inhalation
Evidence also tells us that smoking is associated with worse mental health and increased substance use, but we dont know how these conditions are related to each other, exacerbating and mutually reinforcing their effects, said Perry N
And when we've done some modelling, Norman, to get back to one of your earlier questions, we've been able to show that there are some cancer treatments which offer fairly small improvements in overall survival, and when we've counted up the number of home days versus healthcare system days, it becomes almost a toss-up, that almost every added day of life is traded off by a day with contact with the healthcare system