Although 5+ binge drinking specifically, and frequency of drinking generally, have decreased among adolescents since record high levels in the late 1970’s and early 1980’s and have continued to decrease further since 2005,45 15+ extreme binge drinking has not shown such declines since 2005. This suggests that extreme binge drinking behavior may less affected by changing norms and more entrenched in specific adolescent subcultures,68 as has been argued for the college level.69
