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Exact(14)
Pack-years of smoking (the equivalent of smoking 20 cigarettes a day for 1 year) was calculated by multiplying the number of packs smoked per day by the number of years of smoking.
Some suggest it is the equivalent of smoking around 10 cigarettes per day.
On a bad day, Mehta reports in his book, breathing Mumbai's inversion-trapped air is the equivalent of smoking two and a half packs of cigarettes.
One of the country's chief medical authorities estimated that walking around Moscow for a few hours was the equivalent of smoking a pack or two of cigarettes.
The news came at the same time as new research, also published in the Economist, showed that breathing Beijing's air is the equivalent of smoking almost 40 cigarettes a day.
In a variation on the old slippery-slope argument, angling for a learning-disorder label (and perhaps a better class placement) is seen as the equivalent of smoking marijuana, and smothering a child is tantamount to smoking heroin: one, it is feared, could lead to the other.
Similar(46)
In the current investigation, the risk of having an OPMD increased in a monotonic fashion with increasing pack-year equivalents of smoking.
The World Bank estimates that 780 million women and children around the world inhale a volume of smoke equivalent to smoking two packets of cigarettes a day – leading to the statistic that 60% of female lung-cancer victims in developing nations are non-smokers.
"If you are a bartender or a waiter or waitress and work in an establishment where there is smoking," he said, "in an eight-hour day it's the equivalent of you smoking half a pack of cigarettes yourself.
The report cited studies indicating that laborers can absorb, in one day, the amount of nicotine equivalent to smoking 36 cigarettes.
Inhaling paraffin smoke on a regular basis is equivalent to smoking four packets of cigarettes a day.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com