EPISODE · Aug 10, 2026 · 9 MIN
Firstborn kids often grow up to earn more than their siblings. Germs and illness are big reasons why
from Here & Now · host WBUR & NPR
Oldest siblings tend to have higher educational achievement and lifetime earnings than their younger siblings. A new study shows that germs play a big role in how younger siblings fare.
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Firstborn kids often grow up to earn more than their siblings. Germs and illness are big reasons why
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