Impact of Caffeine on Dynamic Cerebral Autoregulation in Habitual Consumers, The
Introduction: Caffeine is consumed daily by 90% of the United States population. In caffeine-naïve individuals, drinking caffeine increases dynamic cerebral autoregulation, but its influence in habitual users is unclear. We aimed to investigate the influence of caffeine upon dynamic cerebral autoregulation in habituated consumers. Methods: Twelve healthy subjects (age: 26 ± 6 yrs, Ht: 174 ± 12 cm, Wt: 75.4 ± 14.0 kg) completed three fluid ingestion trials in a double-blind, volume-controlled design. At baseline (PRE Drink), middle (MCAv; cm/s) and posterior (PCAv; cm/s) cerebral artery blood ...
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