Sentences with phrase «lead during the first few years of life»
Because according to the research accomplished by tracking blood levels and violent crime in Canada, Britain, the US and several other industrialized countries over several decades, exposure to lead during the first few years of life leads to lower IQ scores.
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In fact, a study in Child Development revealed that when parents are significantly stressed during their child's first few years of life, some of the child's genes can even be altered, harming development and leading to negative effects years later.