How do I know if my teenager is depressed or just going through a bad time?

What are some causes of depression?

If depression is partly due to brain chemistry, do people need to take medication their entire lives?

Are teens aged 12 to 17 who take narcotics, ecstasy, or hashish at a higher risk for depression?

Does post-depression psychotherapy eliminate the risk of a relapse?

If depression is a chronic disease, does this mean that you never completely recover?

Is it possible to detect bipolarity in children and if so, from what age?

Can young adults who are not treated for depression recover on their own without psychological assistance or medication?

Does depression in children depend on their temperament?

Is anxiety disorder often associated with depression?