Winter is here in Bangalore! While many are snuggled up in warm clothes, this chilly season brings some health risks we should pay attention to. During winter, certain neurological conditions, including strokes and Bell’s palsy, see a rise. People with ongoing issues like Parkinson’s or dementia can also face more infections and cold-related problems.
Strokes, in particular, occur more often in colder weather. When the temperature drops, blood pressure can spike, and blood may become thicker, which leads to a higher chance of clots. This is dangerous, especially for those with heart conditions or high blood pressure. Additionally, strokes often happen in the early morning or late at night, which can delay help from family members.
There are two main types of strokes: ischemic and hemorrhagic. Ischemic strokes, which are caused by blood clots in the brain, make up 70-80% of all strokes. Studies suggest that for every 1°C drop in temperature, the risk of an ischemic stroke increases by about 3.9%. The cold causes blood vessels to narrow, raising blood pressure and putting extra strain on the heart. Physical inactivity during winter can add to the risk as people stay indoors and may not exercise as much. Plus, people tend to eat more during this season, leading to weight gain and other health issues.
Respiratory infections, such as the flu, can also surge in winter. These illnesses may trigger inflammatory responses that can lead to strokes. Therefore, being mindful of our health in the colder months is crucial.
Recognizing the signs of a stroke is vital. Quick action can make a significant difference in recovery. Use the acronym BEFAST to remember the signs:
- Balance: Look for loss of balance.
- Eyes: Watch for blurred or lost vision.
- Face: Check for drooping on one side.
- Arms: See if the person can raise both arms.
- Speech: Listen for slurred or confused speech.
- Time: If you notice any of these signs, it’s time to call for help.
If you suspect a stroke, get to the nearest hospital quickly. The first four and a half hours are critical for treatment, sometimes referred to as the “golden hour.” Medical professionals can provide essential clot-busting medications or even perform procedures to remove clots if necessary.
To reduce the risk of stroke this winter, consider these tips:
- Stay Warm: Dress in layers and keep your living space heated.
- Monitor Your Health: Check your blood pressure regularly and maintain a healthy lifestyle.
- Stay Active: Engage in indoor activities to stay fit, and limit outdoor exercise during extreme cold.
- Boost Immunity: Keep up with vaccinations and good hygiene practices.
- Manage Stress: Practice mindfulness techniques like breathing exercises.
- Stay Hydrated: Drink plenty of fluids, even if you don’t feel thirsty.
While winter has its joys, it’s essential to be aware of the health risks it brings. Understanding these dangers and recognizing the signs of a stroke can save lives. Stay informed and take care this season!
Dr. Prof. Suryanarayana Sharma, Senior Consultant Neurologist and Stroke Specialist, Apollo Hospitals Bannerghatta Road Bangalore, Founder Secretary, Karnataka Stroke Foundation Bangalore
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