Blood vessels are damaged in one or more areas of the brain due to a blockage or rupture of a blood vessel. There are two types of stroke: transient ischaemic attacks and haemorrhagic strokes. The causes of blocked arteries are: people with too much cholesterol in their blood. What can completely rupture a blood vessel is a sudden and severe increase in blood pressure. These cases generally occur at night or during sleep. Other causes: cholesterol, high levels of diabetes, obesity, lack of exercise...
