Caffeine and blood pressure

Caffeine, given during rest periods elevated blood pressure by 8/6 mg Hg. During periods of mental stress caffeine increased blood pressure 17/7 mm Hg, with levels sometimes reaching 160/100 mm Hg. In the study group skin conductance and heart rate were increased. Caffeine may play an important part in the development of heart disease. Two to three cups of coffee have been shown to produce an increase of 14/10 mm Hg in young persons who did not habitually consume caffeine. (Psychosomatic Medicine 49(3)226, May-June 1987)

Copyright 1988 Phylis A. Austin

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