Decade-Long Study Shows Most 'Cool' 13-Year-Olds Are Uncool by 23 By Notable Life By Notable LifeView Author|July 27, 2015|Health + Wellness,View Health + Wellness LifeView Life Remember those “cool kids” back in junior high? You know, the ones who dressed like they were in high school, had relationships that involved making out (or more), smoked cigarettes, skipped school, had been drunk before, and who had a... View this article.