World Hypertension Day 2019 was celebrated by the people all through the world on 17th of May, Friday. World Hypertension Day 2019 theme was Know Your Numbers aimed at raising awareness regarding high blood pressure. University of Cumbria organized a free checkup camp on the occasion with an aim of raising awareness on high blood pressure and saving lives of the people suffering from hypertension. International Society of Hypertension organised May Measurement Month this year also which is an awareness campaign aimed at educating people to know their blood pressure numbers and to take preventive measures in case of hypertension. Merck Foundation observed the day by building a hypertension care facility in Africa and Asia and also by giving 'Merck Hypertension Award'. The award will provide an opportunity to the winners to study Post Graduate Diploma in Preventive Cardiovascular Medicine at University of Wales. Various hospitals and healthcare institutions observed the day by organizing free screening camps in their premises and at nearby locations. The camps helped people to know more about hypertension and the preventive measures to fight it. Hypertension is a condition called high blood pressure during which the arterial blood pressure raises to high level from the normal level. It is medical condition called as silent killer as it does not show any clear symptoms however severe hypertension show some symptoms of headaches, sleepiness, palpitation, blurred vision, fatigue, dizziness, confusion, ringing sensation in the ears, breathing difficulty, irregular heartbeat which may lead to even coma. It is divided in two types (primary or essential hypertension and secondary hypertension) on the basis of its causing factors. The primary hypertension is more common type however its causes are unknown. Whereas, causes of secondary hypertension are kidney damage, adrenal gland over-activity, sleep apnea syndrome, tumors, recreational drugs, thyroid gland dysfunctioning, aortic coarctation, pregnancy-related conditions, over or wrong medications, alcoholic drinks, bad food and etc. It is also an inheritable disease which can be inherited to children from parents having hypertension or family history of diabetes, obesity, smoking, lack of exercise, excess alcohol drink, use of oral contraceptive pills and etc. Its complications are atherosclerosis means narrowing of arteries, brain hemorrhage means blood clot in brain, heart attack, aneurysm, kidney failure, heart failure, eye damage and etc.