Most brain aneurysms are small and do not cause symptoms. London (PA Media/dpa) – In a teaser for the upcoming season of "The Kardashians" on Disney+, Kim Kardashian talks about having a scan that detected an aneurysm in her brain. The clip shows the 45-year-old reality star explaining to the camera that the scan found a “little aneurysm” in her brain, which she suggests might be linked to stress. But what exactly is a brain aneurysm? We spoke to some experts who have outlined the potential risk factors, signs and treatments. What exactly is a brain aneurysm? “A brain aneurysm is a bit like a little balloon on the side of a blood vessel,” explains Mr Ahilan Kailaya-Vasan, consultant neurosurgeon at King’s College Hospital in London, part of HCA Healthcare UK. “It represents a relative weak

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