No conclusions can be drawn from observational survey data on teen concussion and mental health consequences and on cannabis study showing brain changes

Madely Health Headlines Commentary for April 16, 2014

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Source:

Teens who suffer concussion more likely to attempt suicide, be bullied: study

Casual marijuana users may see brain changes, study suggests

 

Reference:

Cannabis Use Is Quantitatively Associated with Nucleus Accumbens and Amygdala Abnormalities in Young Adult Recreational Users