Main findings of the Imperial College London study of increased birth defect risks for those living within two kilometres of landfill sites:
7 per cent increased risk for diseases such as spina bifida.
6 per cent increased risk for low birth weight.
no causes identified for the increased risk.
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no increase in stillbirths.
no difference noted between domestic refuse dumps and hazardous waste dumps.
analysis included 8.2 million live births between 1982 and 1997.