The tenth anniversary edition of this national bestseller goes beyond raging hormones and peer pressure to explain why adolescents act the way they do and what parents and teachers can do about it--and it's now thoroughly revised and updated to address the issues facing kids today: social media, online bullying, prescription drug abuse, stress, and nutrition.

Why Do They Act That Way? was the first book to explain the scientific, brain-based reasons behind teens' impulsive behavior, lack of focus, self-consciousness, territoriality, fatigue, and their quickness to anger and take...