A new study has concluded that energy drinks starting their "kick work" as soon as they touch your tongue.
In the study, Nicholas Gant at the University of Auckland in New Zealand and team had 16 participants tire out their biceps by flexing them for 11 minutes before rinsing their mouths with either a carbohydrate drink or a non-calorific, taste-matched one.
Advertisement"One second after rinsing, the team applied transcranial magnetic stimulation to the participants' scalps, which aided the detection of activity in the motor cortex, a brain area known to send signals to biceps.
"The team found that the volunteers who swilled with carbohydrates were able to flex with more force immediately afterwards, and had a 30 per cent stronger neural response compared with those given placebo," reports New Scientist.
The study has been published in Brain Research.
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