Impact of caffeine and psychological stress on blood pressure in black and white men.

@article{Myers1989ImpactOC,
  title={Impact of caffeine and psychological stress on blood pressure in black and white men.},
  author={Hector F. Myers and David I. Shapiro and Fiona McClure and R M Daims},
  journal={Health psychology : official journal of the Division of Health Psychology, American Psychological Association},
  year={1989},
  volume={8 5},
  pages={
          597-612
        }
}
The purpose of this study was to examine the effects of caffeine and psychological stress on systolic blood pressure (SBP) and heart rate (HR) in 40 healthy Black and White male regular coffee drinkers. Half the subjects had a positive family history of hypertension (FH+), and half did not. The effects of 250 mg of caffeine versus placebo (3 mg) in decaffeinated coffee were compared in a within-subject, double-blind, cross-over design. SBP and HR were measured at rest, after caffeine ingestion… CONTINUE READING
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