Why would 'brain freeze' cause a blackout?

Same thing happened to my adult daughter when we were eating Frosties at Wendy's. I thought it may be a medication issue, unrelated to the Frosty, but when she came to she insisted it was a bad brain freeze. Very intense. She said she thought she ... read more

Well, I'm not sure a brain freeze should cause that. If it happens again, depending on the severity of the blackout, I would go see a doctor. That actually pretty worrisome. read more

What Causes Brain Freeze In this study, researchers monitored blood flow in the brain among a group of 13 healthy volunteers while they sipped ice water with the straw pressed against their upper palates -- ideal conditions to bring on a brain freeze -- and while they drank room temperature water. read more