Blood Pressure Limits

why the limits of blood pressure (systolic and limits dystolic) diffter between races, age (young and old )????????? PPL

The limits are the same for everyone., Young, old, black, white, yellow. If you smoke, your BP may be higher, some breeds have a tendency to higher education as BP. But that sets the limits Heart Association are the limits for all.

The reason being that the heart becomes years he must work harder to force blood into the veins. This makes high blood pressure. It is common with age.
Also, the heart must work harder as smokers. That is why they have the same problems earlier in life. Perfect pressure is 110 over 70 or 120 over 80.
However, the medication for high blood pressure is effective and has few side effects!