After you have written a first draft, go through it with a pencil and strike our all the words, sentences, phrases, and pages that do not add to your meaning.
Wordy: It is most useful to keep in mind that the term diabetes mellitus refers to a whole spectrum of disorders.
Concise: Diabetes mellitus refers to a whole spectrum of disorders
Wordy: Anthropologists have long observed that the Jale people, who live and dwell in New Guinea, will exhibit cannibalism in that they eat the bodies of enemies they slay in the conflict of war.
Concise: The Jale people of New Guinea eat the bodies of foes slain in war.