STROKE IS A medical condition in which brain cell death occurs due to a sudden reduction in blood flow to the brain. This reduction in blood flow diminishes oxygen delivery to the brain cells (neurons) and causes the cell deaths. The rupture of a blood vessel and blockage of a blood vessel are two common causes of stroke. Depending on where the damage is and the severity of the attack, stroke patients could suffer from a wide range of disabilities such as aphasia (a complete or partial inability to produce coherent speech), paralysis, and amnesia. The consequences of a stroke, either temporary or permanent, are subject to a series of variables, such as how much of the brain is damaged and how soon medical treatment ...