This may also explain the reluctance of poor, ill-fed people to spend extra money on food, preferring instead to buy such things as televisions or a fancy wedding.

ECONOMIST: Poverty and food

Women are known to have a higher incidence of the condition - and this has fed into the idea that high heels or ill-fitting fashionable shoes are to blame.

BBC: Bunions - family not footwear to blame

Binyam Mohamed's allegation that British agents fed questions to his interrogators who ill-treated him in Morocco and elsewhere is under investigation.

BBC: MI5 'does not collude in torture'