BLOOD PRESSURE: 100 + YOUR AGE? Quote: "A former NASA astronaut and family doctor, says the 100+ age guideline for "normal" blood pressure was around for decades." Everyone has different blood pressure readings, some are high, some low and most are in the middle. Many doctors have long held the belief that an acceptable systolic reading of blood pressure is 100 … Continue reading BLOOD PRESSURE: 100 + YOUR AGE?