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IQ

Study show long-term effects of lead exposure – In the News

In the News  |  Published: 29 March 201703 August 2018

Lead exposure in childhood was linked to lower cognitive function, IQ and socioeconomic status, according to data from the Dunedin […]

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Cannabis and IQ debate in the media

In the News  |  Published: 15 January 201315 January 2013

A Norwegian economist has questioned the findings of a highly publicised New Zealand study which found a causal link between […]

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Teen cannabis IQ impact questioned – experts respond

Expert Reactions  |  Published: 15 January 201317 January 2013

Heavy cannabis use during the teenage years may not be directly responsible for lower IQ, says a researcher questioning the […]

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Teen cannabis and IQ in the news

In the News  |  Published: 28 August 201229 August 2012

New research investigating adolescent cannabis use and its effect on IQ later in life has been widely covered in the […]

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Teen cannabis use and IQ – experts respond

Expert Reactions  |  Published: 28 August 201230 August 2012

The persistent, dependent use of marijuana during adolescence has been linked to later declines in an individual’s intelligence, attention and […]

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