Babies exposed to marijuana in the womb have better visual skills, UW research shows

Children who were exposed to marijuana in the womb have better vision by the time they are four years old, a new study has revealed.

But, scientists were quick to warn the results do not mean cannabis has a beneficial effect on foetal development. 

The team from the University of Waterloo, Auckland and Brown University, admitted they were surprised at their findings, which show the drug can improve a child's ability to track moving objects in their line of sight.

Professor Ben Thompson, at the University of Waterloo, Ontario, said: 'We were surprised with this initial finding.

'It shows that marijuana and alcohol can have quite an impact on a fundamental aspect of the visual processing happening in our brains. 'But despite the apparently beneficial impact of marijuana on the development of the brain's visual system, other research shows its use can actually impair the brain development of...

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