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Systematic review and meta-analysis
Breast feeding could reduce the risk of childhood leukaemias
  1. Colin Michie
  1. Ealing Hospital, London Northwest Hospitals NHS Trust, London, UK
  1. Correspondence to : Dr Colin Michie, Ealing Hospital, London Northwest Hospitals NHS Trust, Uxbridge Road, London UB1 3JH, UK; Colin.michie{at}

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Implications for practice and research

  • Breastfeeding reduces the risk of all childhood leukaemias; the effect is greater if feeding continued for more than 6 months.

  • Collaborative networked care of children allows the collection of useful data that enable large cohort studies to be undertaken.

  • Investigations of the effects of nutrition would be greatly improved by more detailed documentation of infants feeding in early life.


Leukaemias are the most common childhood malignancy. Increasing numbers of published studies of large cohorts of …

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  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.