Academy of Nutrition and Dietetics.

People with blood pressure greater than or equal to 140/90mmHg are considered to be hypertensive. However, both systolic and diastolic blood pressures do not need to be elevated for a person to be diagnosed at hypertensive. Stage 1 hypertension is classified as a systolic blood pressure between 140-159mmHg or a diastolic blood pressure 90-99mmHg. ................
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