The effect of black tea and caffeine on regional cerebral blood flow measured with arterial spin labeling.

@article{Vidyasagar2013TheEO,
  title={The effect of black tea and caffeine on regional cerebral blood flow measured with arterial spin labeling.},
  author={Rishma Vidyasagar and A. C. Greyling and Richard Draijer and Douglas R. Corfield and Laura M. Parkes},
  journal={Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism},
  year={2013},
  volume={33 6},
  pages={963-8}
}
Black tea consumption has been shown to improve peripheral vascular function. Its effect on brain vasculature is unknown, though tea contains small amounts of caffeine, a psychoactive substance known to influence cerebral blood flow (CBF). We investigated the effects on CBF due to the intake of tea components in 20 healthy men in a double-blinded, randomized, placebo-controlled study. On separate days, subjects received a single dose of 184 mg caffeine (equivalent to one strong espresso coffee… CONTINUE READING
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