Relax your way to lower blood pressure
The
 easiest way to lower blood pressure is by popping a pill. It takes just
 a few seconds and you are finished. But pills cost money and often have
 side effects. Fully relaxing your body and your mind for a few minutes a
 day could lower your systolic blood pressure (the top number of a blood
 pressure reading) by 10 points or more—at no cost, and with no side 
effects.
Researchers
 with the Benson-Henry Institute for Mind-Body Medicine at 
Harvard-affiliated Massachusetts General Hospital compared a stress 
management technique called the relaxation response with education about
 lifestyle changes such as sodium reduction, weight loss, and exercise. 
They found:
- Blood pressure decreased more in the relaxation response group
- 32% of the volunteers in that group were able to eliminate one blood pressure medication and still keep their blood pressure under control, compared with 14% of the lifestyle group.
The
 relaxation response, developed by Harvard's Dr. Herbert Benson, has 
been shown to reduce heart rate, blood pressure, breathing rate, and 
muscle tension. Here's how to do it:
- Select a word (such as "one" or "peace"), a short phrase, or a prayer to focus on.
- Sit quietly in a comfortable position and close your eyes.
- Relax your muscles, progressing from your feet to your calves, thighs, abdomen, and so on, up to your neck and face.
- Breathe slowly through your nose, silently saying your focus word, phrase, or prayer to yourself as you exhale.
- When other thoughts come to mind, don't worry. Simply return your attention to your focus word, phrase, or prayer.
- Do this for 10–20 minutes.
- Sit quietly for a minute or so, then open your eyes.
- Practice the relaxation response once or twice a day.
Blood pressure basics
Blood
 pressure is the force that a wave of blood propelled from the heart 
exerts on the arteries. It is measured at two points; each measurement 
is recorded in millimeters of mercury (mm Hg).
Systolic
 pressure gauges the pressure in the arteries at systole (SIS-tuh-lee), 
the instant when the heart contracts and pushes a wave of blood along 
the arterial tree (think "s" for squeeze). It is the top number of a 
blood pressure reading.
Diastolic
 pressure reflects the pressure during diastole (die-AS-tuh-lee), the 
brief period of relaxation between beats. It is the bottom number of a 
blood pressure reading.
Hypertension is the formal name for high blood pressure.
| Blood pressure categories | |||
| Systolic | Diastolic | ||
| Normal (optimal) | less than 120 | and | less than 80 | 
| Prehypertension | 120 - 139 | or | 80 - 89 | 
| Hypertension | 140 or higher | or | 90 or higher | 
(Courtesy: Harward Medical School)
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