You scoop a generous bowlful of ice cream, then swallow that first spoonful and, out of nowhere—bam! Searing pain behind the bridge of your nose. What causes brain freeze, this miserable spoiler ...

aka brain freeze. Eventually your body stabilizes back to 98.6 degrees. But it might take a few minutes. Because that ice cream you've barely tasted is typically served at a chilling 6 to 10 degrees.