A stroke is a serious medical condition that occurs when the blood supply to a part of the brain is interrupted or when a blood vessel in the brain ruptures.
Can High Blood Pressure Cause Stroke?
Yes, high blood pressure, also known as hypertension, is one of the leading risk factors for stroke. When blood pressure remains consistently high, it places excessive pressure on the walls of blood vessels, gradually weakening and damaging them.
Hypertension can increase the risk of both major types of stroke in the following ways:
1. Increased Risk of Ischaemic Stroke
High blood pressure damages the inner lining of arteries, making them more likely to develop fatty deposits and narrowing. This condition, known as atherosclerosis, can restrict blood flow or contribute to blood clot formation. If a clot blocks an artery supplying the brain, it can cause an ischaemic stroke.
2. Increased Risk of Haemorrhagic Stroke
Long-term uncontrolled hypertension can weaken blood vessel walls. These weakened vessels may eventually rupture, causing bleeding inside or around the brain. This can result in a haemorrhagic stroke, which can be life-threatening.
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