Stroke
**Stroke**
A stroke occurs when blood flow to a part of the brain is interrupted, depriving it of oxygen and nutrients. This can cause permanent damage to the brain tissue and lead to a range of disabilities, including paralysis, speech problems, cognitive impairment, and vision problems.
**Types of Strokes:**
* **Ischemic stroke:** Caused by a blockage in an artery leading to the brain, most often by a blood clot.
* **Hemorrhagic stroke:** Caused by a rupture in an artery or vein in the brain, leading to bleeding.
**Risk Factors:**
* Advanced age
* High blood pressure
* High cholesterol
* Diabetes
* Smoking
* Atrial fibrillation
* Sickle cell disease
**Symptoms:**
* Sudden numbness or weakness on one side of the body
* Sudden trouble speaking or understanding speech
* Sudden difficulty with balance or walking
* Sudden vision changes
* Sudden headache, especially severe or accompanied by vomiting
**Treatment:**
Treatment depends on the type of stroke and the severity of symptoms. Medications, surgery, and rehabilitation are commonly used.
**Prevention:**
* Manage blood pressure and cholesterol levels
* Control diabetes
* Quit smoking
* Get regular exercise
* Maintain a healthy weight
* Treat atrial fibrillation
* Screen for and manage sickle cell disease
**Additional Information:**
* Seek medical attention immediately if you suspect a stroke.
* Stroke is a leading cause of death and disability worldwide.
* Early diagnosis and treatment can improve outcomes.
* Rehabilitation plays a crucial role in recovery.
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