The Shrinking Brain - Crawford, Michael; Marsh, David
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Since 1950 there has been a steady increase in mental ill-health across the population. At the same time there has been a similar steady decline in IQ. There is strong evidence of â dumbing downâ right across society.

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Produktbeschreibung
Since 1950 there has been a steady increase in mental ill-health across the population. At the same time there has been a similar steady decline in IQ. There is strong evidence of â dumbing downâ right across society.