In the UK vitamin D deficiency is believed to cost the UK taxpayer a staggering £29 billion annually - over a quarter of the NHS budget. Compare this to smoking which costs £6 billion annually.
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If you are a smoker shopping in a UK supermarket, you may be able spot a loaf of Allinson's bread. His essays outlined the best way to achieve good health - to eat less, exercise more, cut down drink and tobacco.
A Liberal Democrat MP who voted for the smoking ban in England is now questioning whether the policy is having unintended consequences.