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Is breastfeeding the key to exam success?
We look at a new UK study that links being breastfed as a baby with academic achievement.
A new study by researchers at Oxford University has linked better exam results at school with being breastfed as a baby. But how much faith can we put in the findings? Tim Harford speaks to Emily Oster, professor of economics at Brown University in the US and the author of three books about pregnancy and parenting.
Unlock the history and truth behind the data with The OU
Explore how numbers shape, and sometimes mislead us, with The Open University.
When can you trust statistics?
BBC Ideas discovers three easy ways to help make sense of statistics.
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Tim Harford explains the numbers and statistics used in everyday life.
