Being a parent is like being a guide through a big, confusing maze. It can be even trickier when your child is feeling anxious or depressed. The good news is there are steps you can take to help them feel better.  Understanding Anxiety and Depression in Kids  Anxiety and depression aren't just things grown-ups deal with. They are among the most common mental health challenges kids, from ages 3 to 17, face. Anxiety and depression can show up in a number of ways. Kids might have trouble sleeping, stomach issues, headaches, feel worried a lot, have big mood swings, trouble…