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Antioxidant tempol reduces age-related increase in blood pressure in old rats. Blood pressure (systolic, diastolic, and mean arterial) was measured in anesthetized rats (details in methods). Results are means ± SE (n = 6–10 rats). Significantly different from adult rats using 1-way ANOVA followed by Newman-Keuls post hoc test (***P < 0.001 and **P < 0.01). Significantly different from old rats using 1-way ANOVA followed by Newman-Keuls post hoc test (#P < 0.05).
