As occurred with the shift in the standard normal blood pressure range, advancements in medical science have shown that the increase in average blood pressure due to height has minimal effect on your blood pressure. Unlike height, age is still a major factor in regards to changes in a normal blood pressure reading.
http://www.bistromd.com/high-blood-pressure/a-normal-blood-pressure-range-what-should-the-numbers-look-like
While the average person may not understand the importance of these readings, they play an important part in keeping your body healthy. That cuff that squeezes your arm just a bit too tight isn’t the doctor’s cruel form of torture: it’s their way of finding out if you have a normal blood pressure range.
http://www.bistromd.com/high-blood-pressure/a-normal-blood-pressure-range-what-should-the-numbers-look-like
A normal systolic blood pressure is below 120. A systolic blood pressure of 120 to 139 means you have prehypertension, or borderline high blood pressure. Even people with prehypertension are at a higher risk of developing heart disease.
http://www.webmd.com/hypertension-high-blood-pressure/guide/diastolic-and-systolic-blood-pressure-know-your-numbers
The systolic blood pressure number is always said first, and then the diastolic blood pressure number is given. For example, your blood pressure may be read as 120 over 80 or written as 120/80. Blood pressure is measured in millimeters of mercury (mm Hg). 1 | 2 | 3.
http://www.webmd.com/hypertension-high-blood-pressure/guide/diastolic-and-systolic-blood-pressure-know-your-numbers
A normal blood pressure range has been established as 120 over 80, but if you didn’t go to medical school, you probably don’t have a clue as to what these numbers mean. Simply stated, a blood pressure range is comprised of two measurements: systolic and diastolic.
http://www.bistromd.com/high-blood-pressure/a-normal-blood-pressure-range-what-should-the-numbers-look-like
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http://answers.webmd.com/search-results?ques=what%20is%20normal%20blood%20pressure
A normal diastolic blood pressure number is less than 80. A diastolic blood pressure between 80 and 89 indicates prehypertension. A diastolic blood pressure number of 90 or higher is considered to be hypertension or high blood pressure.
http://www.webmd.com/hypertension-high-blood-pressure/guide/diastolic-and-systolic-blood-pressure-know-your-numbers
It is essential that a person, or their doctor, keep track of their blood pressure readings. Individuals who fall outside of the normal blood pressure range of 120/80 can be at an increased risk of developing vascular diseases. So you’ve been to the doctor – and good news – your blood pressure is very near the normal blood pressure range! If you think it’s time to celebrate, think again.
http://www.bistromd.com/high-blood-pressure/a-normal-blood-pressure-range-what-should-the-numbers-look-like
Low Blood Pressure. To know if you have high or low blood pressure, you need to know what a healthy blood pressure level is. Optimal blood pressure is less than 120/80 mm Hg (systolic pressure is 120 AND diastolic pressure is less than 80). Within certain limits, the lower your blood pressure reading is, the better.
http://www.heart.org/HEARTORG/Conditions/HighBloodPressure/AboutHighBloodPressure/Low-Blood-Pressure_UCM_301785_Article.jsp
what normal blood pressure should be
The normal blood pressure should be 120/80.