It’s August, and that means that school is starting. Middle school and high school, in particular, are times of significant emotional challenges. Not only are students adapting to physical changes and emotional growth and maturity, the fact is that depression is a big problem for young people. In 2012, according to government statistics (childstats.gov/americaschildren/health2.asp), 11 percent of kids between the ages of 12 and 17 had at least one major depressive episode. These episodes increase their risk of suicide and drug abuse. All parents know that raising adolescents is a challenge. The complexities of adolescent culture are compounded by their even more complex brain chemistry. In the end, it can be very difficult to sort through which behavioral changes are normal and which are pathologic and dangerous. Because of this, it’s very important to educate yourself and talk to your kids. And talk. And talk. If you think you’re being…