The public's reaction to the CSA was also a factor: "It is hard to think of a body in which the public has less confidence: in 2005-06 alone, there were 55, 000 complaints about the CSA, " Mr Leigh said.

BBC: Parents and staff suffered during the CSA reforms, MPs say

Lack of intrinsic factor may be due to an autoimmune reaction, in which your immune system mistakenly attacks the stomach cells that produce it.

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The other factor is enlargement fatigue within the union and the public reaction against the prospect of even more countries joining the 25-member club (soon to be 27).

ECONOMIST: Charlemagne

We distinguish between pressure which can be a positive, motivational factor to you doing your job well, and stress which is the adverse reaction that people have to excessive pressure.

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