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[The Science Behind Brain Freeze: Why Your Head Hurts When You Eat Cold Treats]-[Brain Freeze! (Encore - 10/16/17)]

Wow in the World · B1 · 2017-10-16

Preschool Enlightenment
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📋 Summary

Decoding the 'Brain Freeze' Phenomenon

In a recent episode of Wow in the World, hosts Mindy and Guy Raz delve into the science behind the sharp, sudden headache known as "brain freeze." Triggered by the rapid consumption of cold treats—like the hosts' improvised "brown cow" mixture of ice cream and root beer—this sensation is more than just a temporary discomfort; it is a fascinating biological reaction.

The Role of the SPG Nerves

According to Dr. Stephanie Vertries, a headache specialist and professor at the Texas A&M College of Medicine, a brain freeze occurs when cold food makes contact with a specific bundle of nerves located in the back of the palate, or the roof of the mouth. These nerves are scientifically known as the sphenopalatine ganglion (SPG).

When cold substances touch these sensitive nerves, the SPG effectively "freaks out" and sends an urgent signal to the brain, manifesting as a sharp, intense headache. As Dr. Dwayne Godwin, a neuroscientist, explains, the brain generally dislikes rapid changes in the body's internal environment. Brain freeze acts as a protective mechanism, essentially warning the body to "slam on the brakes" when it detects a drastic temperature shift.

How to Prevent and Remedy Brain Freeze

While brain freeze is generally harmless and transient, it can be avoided by eating cold foods slowly, allowing the mouth to naturally warm the food before it reaches the sensitive SPG nerves. Dr. Vertries suggests keeping cold items toward the front of the mouth to avoid triggering the nerves located further back.

If you do find yourself suffering from a "brain freeze bonanza," Mindy shares a unique remedy: tilt your head back and press your tongue firmly against the roof of your mouth for about 10 seconds. The warmth from your tongue helps to heat the sinuses and the SPG nerves, which can alleviate the discomfort.

Beyond the Ice Cream Headache

Understanding the mechanics of the SPG is not just about avoiding headaches from milkshakes. Scientists are interested in these nerves because they are also responsible for more serious, chronic conditions such as migraine headaches and cluster headaches. By studying why the SPG reacts the way it does to temperature, researchers hope to develop better treatments for these debilitating, long-lasting headaches. In fact, some specialists are exploring whether controlled exposure to cold can be used as a therapeutic tool to help break the cycle of a migraine.

Ultimately, while the experience of a brain freeze is a common childhood annoyance, it serves as a reminder of the complex and often mysterious ways our nervous system interacts with the environment.

🎯Key Sentences

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It's going to be a November to remember.
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📝Key Phrases

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music to your ears
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get on with the show
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come in handy
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slam on the brakes
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a close call
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I got to let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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