Kim Kardashian revealed she was diagnosed with a brain aneurysm in a teaser for the new season of her family's reality TV show, "The Kardashians." She appears to blame the diagnosis on stress — but doctors say that usually isn't a direct cause.

In the clip shared Thursday, Kardashian, 45, is seen going in for an MRI scan and telling her family, "There was a little aneurysm." She then appears to say she was told the cause was "just stress." Footage from the teaser also features a sometimes emotional Kardashian talking about her difficult divorce with ex-husband Kanye West, who now goes by Ye.

While stress itself doesn't create an aneurysm, it can raise blood pressure, which is related to aneurysm formation and growth, said Dr. Brian Snelling, director of cerebrovascular and endovascular

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