Arterial pressure is the pressure exerted by the blood on the walls of the arteries. It is always higher than the blood pressure exerted on the walls of the veins. Blood pressure can fluctuate over the course of a person's life. It is influenced by many factors. Large fluctuations in blood pressure can contribute to a significant deterioration in quality of life. In some cases, it poses a threat to the patient's health and life. What are the most common blood pressure problems in humans?