Secure Blood Pressure Monitor was designed by Secure Medical United Kingdom and clinically validated. According to World Health Organization (WHO) More than 1 in 5 adults worldwide have raised blood pressure – a condition that causes around half of all deaths from stroke and heart disease. Complications from hypertension account for 9.4 million deaths worldwide every year. Hypertension is the most important preventable cause of heart disease and stroke worldwide. Most people with hypertension have no symptoms at all; this is why it is known as the “silent killer”. Sometimes hypertension causes symptoms such as headache, shortness of breath, dizziness, chest pain, palpitations of the heart and nose bleeds, but not always. All adults should have their blood pressure checked. routinely, it is important to know your numbers. If blood pressure is high, they need the advice of a health worker.