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Working in a car, such as taxi drivers, driving instructors or paramedics, is badociated with a higher frequency of asthma, says a French study of Public Health published Tuesday.
The study finds this statistical badociation but does not settle on an issue: do these professions promote asthma, or do they do these jobs more readily if you have asthma?
The authors of the study were interested in craftsmen and traders more rarely studied than employees. Refunds of asthma treatments show that this respiratory disease is more frequent " in areas where it was already known ".
It is so at the bakers who inhale flour, and hairdressers exposed to alkaline persulfates (respiratory irritants present in products for discoloration or permanent).
But " the study also observed the risk of current asthma higher in areas not known at risk, such as those of l 'driving school of merchantmen merchants on the markets and the sector of fairground carnivals and amusement parks ", indicate the authors
Compared to a profession considered to be free from the risk of occupational asthma, business administration, the frequency of asthma among taxi drivers increases, for example, by 20 to 30%. In ambulance (men only) and driving instructors, it climbs by about 40%.
The reasons are unclear
" Two hypotheses can be put forward: the first corresponds to the effects of selection with asthmatic patients changing from employment "to the detriment of occupations where they fear shortness of breath or to be exposed" to dust, gas and / or fumes "
" The second hypothesis is existence of a asthma risk specific to these sectors that could be related to a occupational or environmental exposure to irritating substances such as exhaust fumes ",
They call for" a better characterization of occupational and environmental exposures "to improve prevention.
Public Health France estimates that" about 15% "asthma is due to ri professional sisters.
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