Coffee may raise child cancer risk: New evidence that caffeine could damage babies' DNA

Women who drink coffee or tea during pregnancy may increase their baby’s odds of developing cancer, doctors believe.

Experts say caffeine may damage the DNA of babies in the womb, making them more susceptible to leukaemia, the most common cancer in children.

To establish the link, scientists at Leicester University will scrutinise the caffeine intake of hundreds of pregnant women and compare the results with blood samples from their babies after birth.

Researcher Dr Marcus Cooke said there was a ‘good likelihood’ the study would make a connection. Previous research has shown that caffeine damages DNA, cutting cells’ ability to fight off cancer triggers such as radiation.

Changes of this kind have been seen in the blood cells of children with leukaemia. Scientists know they occur in the womb, but do not know why.

‘Although there’s no evidence at all of a link between caffeine and cancer, we’re putting two and two together and saying: caffeine can induce these changes and it has been shown that these changes are elevated in leukaemia patients,’ added Dr Cooke.

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