A stroke occurs when the blood flow to a part of the brain is interrupted or reduced, depriving brain tissue of essential oxygen and nutrients. This can lead to the death of brain cells within minutes, making stroke a medical emergency that requires immediate attention. Recognizing the early warning signs of a stroke and understanding how to prevent it can save lives and reduce the long-term impact on health.
Early Warning Signs of Stroke
The key to minimizing the damage caused by a stroke is early intervention. Knowing the early warning signs can make a significant difference in the outcome. The most common signs can be remembered with the acronym FAST:

- Face Drooping: One side of the face may droop or feel numb. Ask the person to smile, and if the smile is uneven, it could be a sign of a stroke.
- Arm Weakness: One arm may become weak or numb. Ask the person to raise both arms, and if one arm drifts downward, it could indicate a stroke.
- Speech Difficulty: Speech may become slurred or hard to understand. Ask the person to repeat a simple sentence, and if they have difficulty doing so, they might be having a stroke.
- Time to Call Emergency Services: If you observe any of these signs, call emergency services immediately. Time is critical in stroke treatment.
Other symptoms of a stroke may include:
- Sudden confusion or trouble understanding speech
- Sudden trouble seeing in one or both eyes
- Sudden trouble walking, dizziness, or loss of balance and coordination
- A sudden, severe headache with no known cause
Types of Stroke
There are two main types of stroke:
- Ischemic Stroke: This is the most common type, occurring when a blood clot blocks a blood vessel in the brain. The clot may form in an artery supplying blood to the brain (thrombotic stroke) or travel to the brain from another part of the body (embolic stroke).
- Hemorrhagic Stroke: This type occurs when a blood vessel in the brain bursts, causing bleeding in or around the brain. Hemorrhagic strokes can be caused by high blood pressure, aneurysms, or arteriovenous malformations (AVMs).
Prevention Tips for Stroke
While some risk factors for stroke, such as age and family history, cannot be changed, many lifestyle choices can significantly reduce your risk. Here are some essential prevention tips:
- Control High Blood Pressure: High blood pressure is one of the most significant risk factors for stroke. Regular monitoring and managing it through a healthy diet, exercise, and medication can lower your risk.
- Maintain a Healthy Diet: A diet rich in fruits, vegetables, whole grains, and lean proteins can help reduce stroke risk. Limit saturated fats, trans fats, and cholesterol, which can contribute to clogged arteries.
- Exercise Regularly: Regular physical activity helps maintain a healthy weight, lower blood pressure, and improve heart health, all of which can reduce the risk of stroke.
- Avoid Smoking: Smoking damages blood vessels and increases the risk of blood clots. Quitting smoking is one of the most effective ways to reduce stroke risk.
- Manage Diabetes: High blood sugar can damage blood vessels and increase the likelihood of clots. Keeping blood sugar levels under control through diet, exercise, and medication is crucial.
- Limit Alcohol Consumption: Excessive alcohol consumption can raise blood pressure and increase the risk of stroke. Stick to moderate drinking guidelines—up to one drink per day for women and up to two drinks per day for men.
- Monitor Cholesterol Levels: High cholesterol levels can lead to a buildup of plaques in the arteries, increasing the risk of stroke. Regular check-ups and a healthy diet can help manage cholesterol levels.
- Treat Atrial Fibrillation (AFib): AFib is an irregular heartbeat that can lead to blood clots forming in the heart, which can then travel to the brain and cause a stroke. If you have AFib, managing it with medication or other treatments is vital.
- Stay Informed and Act Quickly: Understanding the symptoms of a stroke and seeking immediate medical attention can drastically reduce the long-term effects of a stroke. Quick intervention, such as clot-busting medication, is most effective within the first few hours of symptom onset.
Stroke is a serious condition that can lead to significant disability or even death. However, with awareness of the early warning signs and adherence to prevention strategies, the risk of stroke can be significantly reduced. Dr. Biswamohan Mishra is committed to helping patients understand stroke and providing comprehensive care for stroke prevention and treatment. If you or a loved one is at risk, don’t hesitate to seek medical advice and take proactive steps to protect your health.