The term ‘psycho’ comes from the word psychological which in turn refers to anything to do with the mind. Similarly, the term mental also refers to anything to do with the mind. However, over time both these...

The term, nerd is used to refer to a person who behaves awkwardly around other people, that he is socially inept. A nerd is usually someone who has very strong interests in technical subjects, computers, games...

Gay is a term commonly used to refer to homosexuals. The term 'homosexual' was first used by Victorian scientists who regarded same-sex attraction and sexual behavior as symptoms of mental disorders...