The World Health Organization says high blood pressure occurs when the pressure in the blood vessels is too high (140/90 millimeters of mercury or more) According to the WHO, most people with high blood. pressure have no symptoms, and very high.
blood pressure can cause headaches, blurred vision, chest pain and other symptoms. Drinking water is not a cure and does not lower high blood, and you should see a doctor. In general, it is recommended to drink 8 glasses of water a day, and it is important to note that some foods - such as fruits and vegetables - also contain water.