Here is a list of programmes featured in April and June - July 2005 series of BBC Radio 4's More or Less.
You can listen to individual programmes by clicking on "Listen to the programme" or find out further information by clicking "Read more".
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14 July, 2005
We examine why the current strategy of saving money in the NHS through certain types of preventative care may be more costly than others.
7 July, 2005
We looked at the statistics used in medical trials and discover why it is easier to learn maths if you speak Cantonese rather than English.
30 June, 2005
We examined the evidence on the dangers of passive smoking that tends to influence public attitudes and policy.
23 June, 2005
More or Less devoted to the statistics and arguments about international development in the run-up to the G8 summit.
26 April, 2005
In a special edition of the weekly numbers magazine programme, Andrew Dilnot looks at the figures behind the manifesto promises and parties' claims about the government's record.