Post #40950

A brain freeze happens when something very cold touches the roof of the mouth or the back of the throat. This causes blood vessels in that area to quickly narrow and then widen again. This change activates a nerve that sends pain signals to the brain, which is why the pain is felt in the head. The sensation usually lasts only a few seconds to about a minute. 🧊🧠⚡ [Read more] @googlefactss #BrainFreeze#HumanBody#ScienceFacts#Health If you have ideas or feedback contact us: @Googlefactss_Feedback_bot