Depression is a serious condition that may require medical help. an occasional sad mood. an untreatable illness. a rare illness in teens

## Step 1<br />The problem presents four options and asks us to identify the correct description of depression. <br /><br />## Step 2<br />Depression is a serious mental health condition that can affect a person's thoughts, behavior, feelings, and sense of well-being. It is not just an occasional sad mood, but a persistent and pervasive condition that can interfere with daily life.<br /><br />## Step 3<br />Depression is not an untreatable illness. With appropriate treatment, such as therapy and medication, it is possible to manage and overcome depression.<br /><br />## Step 4<br />Depression is not a rare illness, especially among teens. It is a common mental health condition that can affect anyone, regardless of age.