Dumb and dumber: Why we’re getting less intelligent

The IQ scores of young people have begun to fall after rising steadily since the Second World War, according to the first authoritative study of the phenomenon.

The decline, which is equivalent to at least seven points per generation, is thought to have started with the cohort born in 1975, who reached adulthood in the early Nineties.

Scientists say that the deterioration could be down to changes in the way maths and languages are taught, or to a shift from reading books to spending time on television and computers…

Dr Rogeberg said it was more plausible that the changes in the way children are educated or brought up – such as less time drilling pupils in reading and mathematics – were at play.

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