Causes of stroke Stroke is certainly something that everyone fears. But not many people know the shocking fact that this stroke is caused by high blood pressure medication. There are three types of stroke: cerebral infarction, cerebral hemorrhage (intracerebral hemorrhage), and subarachnoid hemorrhage, and although there are slight differences between countries, about 85% of them are cerebral infarctions, about 12% are cerebral hemorrhages, and 3% are subarachnoid hemorrhages. By the mid-1960s, 90% of strokes were cerebral hemorrhages. However, as cerebral hemorrhage decreased and cerebral infarction increased, it began to reverse around 1980, and in the 1990s, cerebral hemorrhage increased by 10~20% and cerebral infarction by 80~90%. Why is this happening? Poor nutrition leads to weakening of blood vessels. Moreover, in the old days, when nutrition was poor, physical labor was severe. In the days when there were few machines, farming, construction, and household chores were all physi