Cow clone may have over 100 descendants in Britain

A cloned cow whose offspring's meat entered the British food chain may have more than 100 descendants in the country, records suggested Thursday, amid fears about their spread into the food system.

Early immune system exposures linked to chronic disease

Scientists and regulators have a golden opportunity to reduce the health toll from a range of diseases by focusing more attention on identification of environmental factors that can damage the prenatal immune system as well ...

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