Medical thriller

Thriller is a broad genre of literature, film and television, having numerous subgenres. Thrillers are characterized and defined by the moods they elicit, giving viewers heightened feelings of suspense, excitement, surprise, anticipation and anxiety. Successful examples of thrillers are the films of Alfred Hitchcock.

Thrillers generally keep the audience on the "edge of their seats" as the plot builds towards a climax. The cover-up of important information is a common element.Literary devices such as red herrings, plot twists, and cliffhangers are used extensively. A thriller is usually a villain-driven plot, whereby he or she presents obstacles that the protagonist must overcome.

Homer's Odyssey is one of the oldest stories in the Western world and is regarded as an early prototype of the thriller.

Writer Vladimir Nabokov, in his lectures at Cornell University, said: "In an Anglo-Saxon thriller, the villain is generally punished, and the strong silent man generally wins the weak babbling girl, but there is no governmental law in Western countries to ban a story that does not comply with a fond tradition, so that we always hope that the wicked but romantic fellow will escape scot-free and the good but dull chap will be finally snubbed by the moody heroine."

Thrillers may be defined by the primary mood that they elicit: suspenseful excitement. In short, if it "thrills", it is a thriller. As the introduction to a major anthology explains:

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