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Transient ischemic attacks or mini-strokes are often caused by the loss of blood flow in the retina, spinal cord or brain. The effect of the stroke doesn't last for long and even doesn't cause any permanent damage to the person; however, the chances of occurrence of major stroke becomes very likely for the person once contracted with a mini-stroke.

Stroke is a cerebrovascular syndrome that involves the blockage and bursting of blood vessels in the brain. It shows a multifactorial pattern of inheritance. High cholesterol levels, high blood pressure, hypertension and obesity are the key causes of stroke besides inherited genes.