Feel like your parents always favored your older sibling? They might have benefited from that more than you realize. A new study suggests all that extra attention makes first-born children smarter ...

I have been coaching highly ambitious first-born daughters who’ve climbed to senior leadership roles in Fortune 500 companies or well-funded startups and found that they hit an invisible wall when ...

They found that those who were the first to be born in their family were 10 per cent more likely to suffer from short-sightedness, or myopia, than people who had an older sibling. And they were 20 per ...

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Feel like your parents always favored your older sibling? They might have benefited from that more than you realize. A new study suggest all that extra attention makes first-born children smarter than ...