Correlates of daily caffeine consumption
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A study of 376 young British adults showed that estimated daily caffeine consumption increased with age, and was associated with smoking and greater alcohol consumption. Non-consumers of caffeine avoided tea and coffee (even the de-caffeinated form). Level of caffeine consumption was not associated with impulsivity, sociability, extraversion or trait anxiety.
Appetite, 46 (1), pp.167-180
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Hewlett, Paul; Smith, Alyson (John Wiley & Sons Ltd., 2006-03-01)Rationale The effects of caffeine on mood and performance are well established. One explanation of these effects is that caffeine removes negative effects induced by prior caffeine withdrawal. This was tested here by ...
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