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

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