High blood pressure, also known as hypertension, occurs when the force of the blood flowing through the blood vessels, is consistently too high. Normal blood pressure is less than 120/80 mmHg. If your blood pressure readings are between 120/80 mmHg and 140/90 mmHg, it could mean you’re at risk of developing high blood pressure.
The higher your blood pressure, the more likely you are to have other health problems, such as heart disease and stroke. 
Consider the following story: Annie, aged 57, is the head nurse of a New York hospital. One day she found her blood pressure ranged over 179 systolic and less than 110 diastolic. She decided to consult traditional Chinese medicine (TCM) for acupuncture treatment as recommended by a colleague….