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Eating or drinking something cold too quickly can lead to a short-term headache called brain freeze or ice cream headache. insider..
What causes brain freeze?
Eating cold foods or drinks cools the roof of your mouth and throat just behind these areas. There is a major artery that carries blood to the brain, called the internal carotid artery. This means that eating cold things actually cools the blood flowing to and from your brain.
When the blood flowing to your brain gets too cold, your brain sets off an alarm, causing a headache known as brain freeze. This alarm warns you to stop or slow down the consumption of cold foods or drinks so that your brain temperature remains regulated..
This is why a frozen brain headache can be so painful, your brain has to send a signal that you can’t ignore. It can’t be tickling. It can’t be itchy. It has to be something that makes you stop eating.
Freezing the brain actually activates the trigeminal nerve, which is responsible for severe pain, and if you don’t stop cold food the blood vessels containing the cold blood can constrict so that they don’t form as much blood circulation.
How long does brain freeze last and how is it treated?
Unlike migraines and other types of headaches, freezing pain in the brain usually subsides within 30 seconds or less. The method of brain freeze treatment is to stop or slow down the consumption of whatever is causing the pain. It only lasts as long as the blood warms up again. Thus, the faster the blood heats up, the shorter the pain will last. If you want the pain to go away faster, you can take a warm drink.
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