Since 2011, the Ministry of the Environment has conducted the Japan Environment and Children's Study or JECS, a large-scale nationwide epidemiological study involving 100,000 mother-child pairs living throughout Japan.
JECS aims to identify the impact of environmental factors on health and development of children. It measures the environmental exposures during pregnancy and through childhood, while examining children's health periodically . The results of JECS will be utilized to develop policies and legislations that support healthy development of children and allow their parents to raise them without anxiety.
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