A stroke happens when the brain does not get the blood and oxygen it needs. There are two main types:
* **Ischemic stroke**, caused by a blocked blood vessel
* **Hemorrhagic stroke**, caused by bleeding in or around the brain
There is also something called a **transient ischemic attack (TIA)**, often called a mini-stroke. Its symptoms may go away quickly, but it is still a serious warning sign and needs urgent medical evaluation.
## 1. Sudden Numbness or Weakness on One Side of the Body
One of the most common warning signs is sudden weakness or numbness, especially on only one side of the body.
This may affect the:
