Do I have depression? How the answer to just two questions gives the clue.. As of: February 20, 2024, 5:54 p.m By: Natalie Hull-Deichsel CommentsSplit Depression is a serious illness that, if left untreated, can last longer than eight to twelve months and can recur, even to a more severe extent.

Feelings of guilt and worthlessness, as well as low self-esteem or hopelessness about the future, can be associated with depression.