Teenage runaways fall into two categories: chronic and episodic. Chronic running away is a routine power ploy that could involve substance abuse, while episodic running away involves isolated incidents in which a humiliating event, such as a pregnancy or fear of parental disapproval, triggers a teenager to flee home.
If you don't work in the industry, you might not "get" why someone would spend cash on learning about older people. But if you're in the private sector, I recommend that you have a change of heart. I know that growing older is not an attractive phase in our culture, and the general public would rather ignore it altogether.