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The objective of this study was to determine the effect of 5mg/kg body weight dose of caffeine on cardiovascular system of normal young adult males of Black African Origin. Twenty normal young adult male volunteers participated. A repeated measures 2 randomized Crosse over (counter balanced) double blind design was used in data collection. One hour post caffeine ingestion of varied doses (5mg/kg body weight) and placebo dose cardiovascular (SBP, DBP & HR) parameters were assessed. Repeated measures t-test was used to assess the level of significance in all variables ofinterest. The result showed no significant effect of varied doses (5mg/Kg) of caffeine over placebo in all cardiovascular parameters assessed at P African Research Review Vol. 2 (1) 2008: pp. 261-271

Effects of a Single Dose of Caffeine on Resting Cardiovascular System of Normal Young Black African Adults