A stroke is a serious life-threatening medical condition that affects the brain.
It is one of the leading causes of death around the world and urgent treatment is essential.
There are different types and recovery length depends on the severity of the attack, though roughly one in eight people will die within 30 days of having a stroke.
The sooner someone receives treatment, the less the brain will be damaged.
Read on for everything you need to know about strokes, from how to recognise the symptoms to what the different types are.