If that is so to such a large extent
then surely the majority of urban dwellers born during and immediately after WWII woudl be thick, which is demonstrably not the case.

My mother (first at university and one of the most well-read and intelligent people I've ever met) was brought up on powdered eggs etc.
( Monty Boyce, My cheese game is strong, Wed 9 Feb 2011, 9:42, 3 replies, latest was 15 years ago)

There are always exceptions to every rule.
Just think what she could have achieved had she been fed properly.
( girlinthehole, Wed 9 Feb 2011, 9:43, Reply)

Not produced a feckless layabout son?

( Agnostic Antichrist Baltimora, Wed 9 Feb 2011, 9:46, Reply)

She's a lesbo though,
obviously brain wrong.
(PsychoChomp, Wed 9 Feb 2011, 9:44, Reply)

She's making up for the years
when due to post-war austerity measures she wasn't able to eat rugs, clearly.
( Monty Boyce, My cheese game is strong, Wed 9 Feb 2011, 9:47, Reply)

I read somewhere
that in fact general standards of nutrition improved during and after the war.
( Amberl was stripey and dominated Europe, Wed 9 Feb 2011, 9:44, Reply)

If you heard what my (slightly mental) grandmother fed my father
you would be surprised to discover he was not a gibbering simpleton.
( Monty Boyce, My cheese game is strong, Wed 9 Feb 2011, 9:46, Reply)

Large scale allotments
and a varied diet out of necessary.
(PsychoChomp, Wed 9 Feb 2011, 9:46, Reply)

This is why I specified 'urban' people.

( Monty Boyce, My cheese game is strong, Wed 9 Feb 2011, 9:49, Reply)