"Alain" <aze### [at] qwertyorg> schreef in bericht 
news:4a907307$1@news.povray.org...
> Conserning hay feever and other alergies, there is a possible corelation 
> with the general hygien levels and the use and over use of cleaning.
>
> When a baby or chold imune system is not sufisiently solicited, it don't 
> learn to make the difference between harmfull things, like virus and 
> bacteria, and hamless things like odrinary dust, earth, polens and some 
> food stuff.
>
> Some studies seems to demonstrate that a baby who grew in a aseptised 
> environment could be about 1000+ times more suceptible to devlop alergies 
> than one who grew in a more hygien relaxed environment.
>

That seems indeed to be true. It is often adviced nowadays (to children 
*and* adults) not to be afraid too much of a little dirt... especially in 
the cities. Country people are far less subject to allergies and such. They 
have acquired a better resistance.

Thomas

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