From a recent series of experiments, researchers suggested that fast food changes the way we think and behave.

A series of experiments were conducted by Chen-Bo Zhong and Sanford DeVoe of the University of Toronto to understand the effects of fast food on people's thinking. The researchers suggested that subliminal exposure to fast food brands logos can trigger impatient and hasty behavior in people.

ScienceBlogs elaborates on the first experiment:

Zhong and DeVoe asked 57 students to stare at the centre of a computer screen while ignoring a stream of objects flashing past in the corners. For some of the students, these flashes included the logos of McDonald's, KFC, Subway, Taco Bell, Burger King and Wendy's, all appearing for just 12 milliseconds.

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