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Humans

Put down the coffee: Study finds caffeine drives impulse purchases

is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more

29 June 2022

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Josie Ford

On the scent

It turns out that drinking coffee will unlock Feedback’s wallet faster than rumours of a hot new crypto offering. A study in the reports that consuming a caffeinated drink before shopping gets us to spend one-and-a-half times the amount we would have done had we chosen decaffeinated coffee or water instead. Lead author blames the dopamine released as a result of the stimulant, which in turn boosts impulsivity, lowers self-control and (quite specifically) sends the sale of scented candles (see page 16) rocketing.

Internet bubbles

Alas,…

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