It is possible that descendents of Shennong established a home in this area, giving rise to the idea that it was a birthplace of Shennong. Left: An artifact at the Shanghai Museum from about 800-900 B.C. found in the area where Shennong is believed to have lived (Fufeng County, Shaanxi).
Hypostasis is a Greek word á½ÏÏÏÏÎ±ÏÎ¹Ï that has a range of meanings: nature, substance, image, essence, etc.
Orthostatic hypotension is defined as a decrease in systolic blood pressure of 20 mm Hg or a decrease in diastolic blood pressure of 10 mm Hg within three minutes of standing when compared with blood pressure from the sitting or supine position. It results from an inadequate physiologic response to postural changes in blood pressure. Orthostatic hypotension may be acute or chronic, as well as symptomatic or asymptomatic. Common symptoms include dizziness, lightheadedness, blurred vision, weakness, fatigue, nausea, palpitations, and headache.