Stroke Explained: The Complete Guide to Causes, Warning Signs, Diagnosis, Treatment, Recovery, and Prevention.
A stroke typically strikes without warning. A person who appears entirely healthy can, within minutes, lose the ability to speak, move a limb, or remain conscious. The World Health Organization ranks stroke as the second leading cause of death worldwide and one of the leading causes of long term disability. Millions of people survive a stroke each year, yet many are left with lasting physical, cognitive, or financial consequences. The clinically significant fact is that most strokes are preventable, and outcomes improve substantially when treatment begins early. Understanding what a stroke is, how to recognize one in progress, and how it is treated has direct, practical value both for reducing personal risk and for responding effectively when it happens to someone nearby. What Is a Stroke? A stroke occurs when blood supply to part of the brain is interrupted or reduced. Brain tissue depends on a continuous supply of oxygen and glucose delivered through the bloodstream. Withou...