What is stroke ?

Although I have heard a lot about Stroke, I still don’t understand what it is. Kindly advise me.
Ibukun (by SMS)

A stroke happens when the blood flow to part of your brain gets cut off—either from a clot blocking it or a blood vessel bursting. In either case, your brain cells start dying within minutes. And the damage can be permanent. However, strokes don’t always strike without warning.
They’re often the result of years of slow buildup from things like high blood pressure, poor eating habits, or smoking. About 80% of strokes are preventable. Most of the risks for stroke come from everyday habits—and that means you have the power to do something about them.
High blood pressure is the single biggest stroke risk. And it often has no symptoms. Many people live for years without knowing their numbers are climbing until it’s too late.
Add to that: Smoking, High cholesterol, Diabetes, Poor sleep, Lack of movement, Too much processed food and salt. Preventing a stroke doesn’t mean flipping your entire life upside down. It starts with small, consistent steps that stack up over time. Preventing a stroke isn’t about fear. It’s about power. Power over your daily habits, your choices, and your future. You don’t need to live in worry. Just take steady steps. Walk more. Eat a little better.
Get your pressure checked. Quit the cigarette you’ve been meaning to. Choose water over alcohol now and then. Stroke doesn’t have to be part of your story. With a few clear steps, you can rewrite your path toward strength, health, and clarity. And it starts right now—with you.

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