Adolescent, Behavioral Problems?

"Behavioral problems" is an awfully broad category! Teens are dealing with all kinds of hormonal changes that make clear thinking hard sometimes. Plus they're now saying that the risk-taking parts of the brain don't mature 'til age 21 or later. On top of all that, these are the years when kids start getting ready to leave home and become fully independent adults. So it's natural to rebel and think that their own ideas about how to live and behave are better than what their parents and teachers are telling them. Sometimes people can only learn by making their own mistakes!

I believe this question is kind of misplaced. Puberty has always, no matter what century, been a time to rebel and experiment. It's all a normal part of development. Teenagers are not adults, but not children. This makes tem feel kind of out of place and they want to find a place to belong. Rebelling is a part of that exploration. Even in ancient Greece people were complaining about 'the current youth'. The thing is that our society has seen a lot of changes. Norms and values have changed severely in our current society. Hence if teens want to rebel they have to do things that are more extreme then say 50 years ago.