Neuron Structure. Your brain is made of approximately 100 billion nerve cells, called neurons. Neurons have the amazing ability to gather and transmit electrochemical signals -- think of them like the gates and wires in a computer.
Most doctors will only consider chronically low blood pressure as dangerous if it causes noticeable signs and symptoms, such as: 1  Dizziness or lightheadedness. 2  Nausea. 3  Fainting (syncope)  Dehydration and unusual 1  thirst. Dehydration can sometimes cause blood pressure to drop.  Lack of 1  concentration. Blurred vision.  Cold, clammy, pale skin.
Most people with low blood pressure show no symptoms. For such people, there are no underlying conditions causing the low blood pressure, and hence, no treatment is necessary. However, medical attention is vital when low blood pressure also leads to insufficient supply of blood to the brain and other vital organs.ost people with low blood pressure show no symptoms. For such people, there are no underlying conditions causing the low blood pressure, and hence, no treatment is necessary. However, medical attention is vital when low blood pressure also leads to insufficient supply of blood to the brain and other vital organs.