Bodily Oddities

This article explores various involuntary bodily reflexes and sensations, such as the photic sneeze reflex and ASMR. It provides a brief, non-medical overview of common human physiological quirks.
Why it matters
Understanding these common but often misunderstood bodily functions can help reduce anxiety regarding minor health concerns.
Things you can try right now Test your own body in a minute. Did you know Photic sneeze reflex About one person in four sneezes when they step into bright sunlight. Nerves Reflex About 18–35% of people Browse by body region Brain 47 Nerves 26 Eyes 38 Ears 17 Mouth and throat 17 Skin and hair 15 Muscle 27 Bones and joints 11 Internal organs 7 Heart and blood 10 Whole body 12 Browse by kind Trick 26 Involuntary 28 Perception 25 Sound 8 Variation 22 Reflex 17 Rare ability 10 Recently added Changelog Brain Involuntary ASMR A pleasant tingling that starts on the scalp and moves down the neck and spine, set off by whispering, tapping, soft sounds, or gentle personal attention. Not everyone gets it. A large online community is built around it.
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