Young cannabis smokers run risk of lower IQ

28 August 2012
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A study claims that young cannabis smokers run risk of lower IQ. The findings come from a study of around 1,000 people in New Zealand. For more than 20 years researchers have followed the lives of a group of people from Dunedin in New Zealand. An international team found those who started using cannabis in adolescence  suffered a drop in IQ. This might might have affected their still developing brains. This study also showed that cognitive performance was restored when the use of cannabis was stopped.

Read more on the BBC website…

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