Normal blood pressure for an adult is below 120 systolic and 80 diastolic. The normal range is lower for children and teenagers, states Mayo Clinic. More »

Blood pressure readings can typically be trusted, but may differ for a variety of reasons, according to the Mayo Clinic. Readings may vary due to anxiety levels, and accuracy of monitors may also differ. More »

To take an accurate blood pressure reading, use a manual or digital blood pressure monitor. The first step is to take a person's pulse, followed by the application of the cuff. Once the cuff is in place, inflate and defl... More »

www.reference.com Health Conditions & Diseases Cardiac Health

Normal blood pressure for an adult is a systolic reading less than 120 mmHg and a diastolic reading less than 80 mmHg, according to the National Heart, Lung, and Blood Institute. Blood pressure refers to the force of blo... More »

www.reference.com Health Medical Ranges & Levels

Normal blood pressure for an adult male regardless of age and weight is less than 120/80, according to the National Heart, Lung, and Blood Institute. A higher reading of one or both numbers indicates prehypertension or h... More »

Normal blood pressure for a 46-year-old is less than 120/80 mm Hg, according to the American Heart Association. Many doctors start treatment for hypertension when a patient's blood pressure is consistently over 140 for t... More »

Normal blood pressure for a healthy 90-year-old, assuming that there is no unknown illness or health complications, ranges around 120/80 mmHg, according to Blood Pressure UK. Blood pressure varies between individuals dep... More »