A stroke happens when blood flow to part of your brain is suddenly blocked. This can affect movement, speech, thinking, or even consciousness. It’s a medical emergency—getting help immediately can save your life and reduce long-term complications.
According to the NHS, key stroke symptoms can appear suddenly:
- Face drooping – one side may sag, making it hard to smile.
- Arm weakness – one arm may feel numb or too weak to lift.
- Speech difficulties – slurred words or trouble speaking clearly.
The impact depends on the stroke’s location in the brain and the size of the affected area. Thankfully, research shows that around 80% of strokes are preventable. While factors like genetics, age, sex, or ethnicity can’t be changed, lifestyle choices make a huge difference.

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