Under the Bridge Recap: Fear and Loathing in British Columbia

Teenagers have woefully underdeveloped brains. The frontal lobe — the section dedicated to decision-making and higher-order thinking — doesn’t fully develop until age 25. You may already know this fact from a high-school biology class or a neuroscience course in college, but then again, maybe you weren’t paying attention because “teen brain” is a real thing.

This developing-brain issue can explain a bit of why Kelly Ellard acts the way she does after the...