The more caffeine people consume the more they see it as a positive thing, according to a Portsmouth University study.
Researchers tested the opinions of 45 people who drank no caffeine, those who drank up to three cups a day, and those who drank five or more cups.
Those who never drank caffeine were more likely to associate it with negative words like “failure”, while heavy caffeine drinkers were more likely to link it with positive words like “success”.
The authors said: “Caffeine is addictive but heavy consumers evidently don’t feel their habit carries a social stigma.”
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