Antidepressants are among the most commonly prescribed medications in the United States, and yet many people still harbor misconceptions about them, which can create unrealistic expectations and unnecessary concerns. At the same time, doctors now have better medications to offer people with depression than ever before, so the more comfortable a patient is with taking an antidepressant, the more likely she is to follow through on taking her mood meds as she should (and reaping the depression-dampening rewards). If you’ve been prescribed an antidepressant but are wary, here are 15 things you may not know about antidepressants but should.