Many of us know that fast food is not good for us: it makes us fat and has twice the amount of salt an adult should eat. Moreover, you may not be aware that fast food may have a subliminal   effect on behavior, making people impatient even when they are not short of time, according to a new study published in the journal Psychological Science. "The unconscious goal of saving time embedded   in fast food may have the unexpected consequence of inducing   haste and impatience," the researchers claim. More strikingly, they found that the mere exposure   to fast food symbols "reduced people's willingness to save and led them to prefer immediate gain over greater future return". In the study, student volunteers were shown in rapid succession logos   from fast-food chains including McDonald's, Burger King, KFC and Subway. Participants preferred time-saving products like three-in-one skincare treatments rather than separate versions after seeing the logos. When asked whether they would accept a small sum of money immediately or a larger amount in a week's time, they again chose an instant reward after being exposed to the brands. "Fast food represents a culture of time efficiency   and instant gratification  ," said researcher Sanford DeVoe, professor of organizational behavior at Canada's Toronto University. "It is promoting a general sense of haste whether time is a relevant factor in the context   or not." The point of the article is to   _  .
tell readers that fast food can heighten their awareness of time efficiency report the findings of new research into fast food analyze the bad effects fast food can have on physical health advise readers not to eat fast food