"A family history of alcoholism may make adolescent brains respond differently"  

https://www.eurekalert.org/pub_releases/2012-01/ace-afh010812.php

“Impulsive personality is linked to greater risk for early onset of meth use”

http://oregonstate.edu/ua/ncs/archives/2016/oct/impulsive-personality-linked-greater-risk-early-onset-meth-use

“MRI brain scans may help identify risks, prevent adolescent substance abuse”

http://oregonstate.edu/ua/ncs/archives/2017/feb/mri-brain-scans-may-help-identify-risks-prevent-adolescent-substance-abuse

"Brain imaging shows alcohol dependence severity relates to impulse-control deficiency"

http://oregonstate.edu/ua/ncs/archives/2017/apr/brain-imaging-shows-alcohol-dependence-severity-relates-impulse-control-deficiency

"Binge drinking among youth linked to changes in the brain"

https://www.drugaddictionnow.com/2017/08/01/binge-drinking-among-youth-linked-to-changes-brain/

“Chasing the Thrill”

https://issuu.com/nationalcountrymarket/docs/fl0717 (pages 12-15)

“Frequent marijuana use may be related to risky decision-making in young adults”

https://today.oregonstate.edu/news/frequent-marijuana-use-may-be-related-risky-decision-making-young-adults                                   

“Report suggests younger, regular cannabis users may engage in riskier behavior”

https://www.klcc.org/post/report-suggests-younger-regular-cannabis-users-may-engage-riskier-behavior

“Frequent marijuana users make riskier decisions”

https://www.westword.com/marijuana/frequent-marijuana-users-make-riskier-decisions-study-says-11640240