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Double benefits

Women who gave birth to twins may be protected against breast cancer, says a study from the Imperial Cancer Research Fund, London. This population-based study reports that their risk was reduced by almost a third as compared with mothers who had only one baby. Data was taken by examining 47,000 Swedish women under 50 who gave birth to twins and who were not registered as having breast cancer, and was compared with information about 4,800 women of similar age who had developed breast cancer after childbirth.

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