Week of preventive maintenance of arterial hypertonia takes place in Tatarstan from May, 8 till May, 17th. Hypertonia became the disease of the century. Many people consider headache, delicacy and sleeplessness as fatique. But they are the first signs of the high arterial pressure. This time tanks and heart of the person need the help. The arterial hypertonia is one of the most widespread risk factors of cardiovascular diseases and their complications, such as myocardial infarction and disturbance of cerebral circulation.