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Like humans, high blood pressure in rats is ameliorated with dieting. See the data above. Note that when these rats were placed on a diet, they had normal salt intake.

Data were obtained during the day, their inactive period

SHR Rat
Average systolic pressure =
203 mmHg
Average diastolic pressure =
141 mmHg
Average mean pressure =
166 mmHg
Heart rate = 390 beats per minute

Diet SHR Rat
Average systolic pressure =
163 mmHg
Average diastolic pressure =
112 mmHg
Average mean pressure =
132 mmHg
Heart rate = 300 beats per minute