Actresses Sharon Stone and Emilia Clarke almost lost their lives to them, but exactly what is a brain aneurysm?

A brain aneurysm is a bulge that forms in the wall of a weakened artery in the brain. This bulge can leak or rupture, causing a stroke.

It can be life-threatening, which is why recognising the symptoms and seeking treatment quickly is important.

It’s typically caused by a thinning of the arterial wall. This thinning can develop gradually over time.

A large aneurysm that has not ruptured can cause a wide range of symptoms. including pain behind the eyes, impaired vision and/ or numbness or weakness on one side of the face.

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A ruptured aneurysm is often described as the worst headache of a person’s life. It can cause nausea, vomiting, neck stiffness, sensitivity to light and seizures.

To learn more and how brain aneurysms are treated, watch the featured video.