Elevated blood pressure can be a symptom of several conditions ranging from Stress to a poor diet. The Zero G pre-set position elevates the knees to approx. heart level. This reduces the load on the heart to pump blood to the extremities, plus the Circulation Booster system offers treatments designed to assist blood flow. There are also programs to promote relaxation e.g., #8 – Stress Reliever or #16 – Relieve Nervous tension.