Higher childhood IQ related to a lower risk mortality

3 Jul

The Lothian birth-cohort studies continue to contribute to our understanding of cognitive aging. Here is the latest paper, published in the journal Intelligence. And here are the paper’s highlights;

• 94% of the participants of the Scottish Mental Survey 1947 were traced.
• Higher childhood IQ was related to a lower risk of all-cause mortality by age 79.
• The effect was slightly stronger in women than in men.
• The decline in risk across categories of IQ scores was graded across the full range.
•This is the only study of IQ and mortality in an entire year-of-birth cohort.

Here is Ian Deary’s brief description of the Lothian birth-cohort studies

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