Since my son suffers from many allergies I am always on the look-out for good articles on how this condition can be minimized. I am particularly intrigued by the "hygiene hypothesis" which presumes that rate at which people suffer from allergies has increased because children growing up in cities and suburbs are not regularly exposed to pathogens and parasites as their rural counterparts. This contrast is more evident in more affluent countries, perhaps because city dwellers in less affluent ...
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