Hypertension Blood Pressure is the pressure of blood pushing against the walls of our arteries. Hypertension, also called high blood pressure, is blood pressure that is higher than normal. High blood pressure usually has no warning signs or symptoms. Measuring blood pressure  is the only way to detect high blood pressure. It can happen because of unhealthy lifestyle. It can seriously hurt important organs like heart, brain, kidneys, and eyes Many people with high blood pressure can lower their blood pressure into a healthy range or keep their numbers in a healthy range by making dietary and lifestyle modifications.