A stroke occurs when the blood supply to part of the brain is interrupted or reduced, depriving brain tissue of oxygen and nutrients. It can be caused by a blockage (ischemic stroke) or bleeding (hemorrhagic stroke). Risk factors include hypertension, diabetes, atrial fibrillation, smoking, obesity, previous stroke or transient ischemic attack (TIA). Diagnosis involves assessing signs and symptoms followed by brain imaging such as CT scan or MRI. Treatment depends on whether the stroke is ischemic or hemorrhagic and may involve clot-busting drugs, surgery, or managing risk factors to prevent future strokes. Lifestyle changes like quitting smoking, diet, exercise, and medication can help prevent primary