Clogged carotid arteries are one of the biggest causes of strokes and heart attacks. A TIA can happen as a result of an artery that is becoming blocked. A substance called plaque and fatty tissues can attach to the artery because of poor diet and stress. Surgical intervention can be done to resolve the problem and prevent a more serious event from happening. The artery is literally cleaned using surgical instruments. In some cases a balloon type device is placed in the artery to keep blood flowing, this known as a stent.

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