Study suggests early germ exposure may explain cognitive advantages in first-born children
By
The Economist
Summary
A brief article discussing research that challenges traditional stereotypes about birth order and personality. While first-born children tend to outperform younger siblings in educational achievement and income, large-scale studies find no meaningful link between birth order and personality traits. New research suggests that exposure to germs and sickness may play a role in explaining the cognitive differences between eldest and younger siblings.
Source
bskyStudy suggests early germ exposure may explain cognitive advantages in first-born childrenecon.stKey quotes
· 3 pulledSORRY, YOUNGER siblings.
On standard measures of success, such as educational achievement and income, first-borns do better.
New research points to something rather different: germs.
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