Firstborn Children Tend To Be Smarter Than Younger Siblings
Firstborn kids truly do have a tendency to be more astute than their kin, another study has found. The reason is not biological, as a few specialists have suspected, but instead the way folks treat children, contingent upon conception order. The study compared the IQs of 240,000 Norwegian men and found that the normal IQ of firstborn children was 2 […]
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