What is the origin of the idiom "doom and gloom" and when to use it?

The phrase "doom and gloom" originated in the English language and its exact origin is difficult to trace. It is believed to have emerged in the mid-20th century, gaining popularity in the 1960s and 1970s. It can be used more broadly to express dissatisfaction with overly negative or pessimistic perspectives in personal conversations, social commentary, or media discussions.