You probably didn't arrive here at the beginning of your search. You arrived after the first call to the pediatrician, after the school meeting, after the night you sat outside their bedroom door wondering if you'd done something wrong.
Hartley for parents is the part of the publication built around how parents actually search and what they actually need to know — in roughly the order they need to know it. Not "everything about teen mental health, indexed." More like: "the questions you're probably asking right now, answered honestly."