Achoo! Most people sneeze after a tickling sensation finds its way up their nose, but for some, sunlight is another trigger. This is called the photic sneeze reflex, otherwise known as solar sneezing or ACHOO syndrome (which stands for Autosomal Dominant Compulsive Helio-Ophthalmic Outburst. Cute, right?).
Sun
Why Does Sunlight Make Some People Sneeze?
Why People Are Talking About It
Smart Graphic
:quality(75)/curiosity-data.s3.amazonaws.com/images/memes/image/87398740-5ecd-470d-b3f7-521bd97d0c5e.png)
Why It Happens
Editors' Picks: Our Favorite Videos On Sneezing
Why Do Some People Sneeze In Sunlight?
We don't know, but we sure can guess!
Share the knowledge!
Guess What Else Can Make You Sneeze
Turns out that some people also sneeze when you turn OUT the light, if you catch our drift.
Share the knowledge!
Sneezing Releases A Cloud Of Buoyant Gas (And Snot)
This ought to make you cover your mouth the next time you sneeze.
:quality(75)/curiosity-data.s3.amazonaws.com/images/memes/image/cc335b68-85b7-406c-b5e2-b2e4c7d69142.png)
Scientists have discovered that the cloud of gas released with a sneeze helps mucus droplets travel much, much further than they previously thought.
Spot these clouds in slow-motion sneezes arrow_forward
Advertisement
:quality(75)/curiosity-data.s3.amazonaws.com/images/content/thumbnail/standard/b81ae1f0-6e57-4afc-f044-1da340cef0fe.png)
:quality(75)/curiosity-data.s3.amazonaws.com/images/topics/thumbnail/d992ce0b-972e-4e2b-9fe4-25d41dec7013.png)
:quality(75)/curiosity-data.s3.amazonaws.com/images/content/thumbnail/standard/2aab2329-7928-4809-ef45-a8e87cd4e68d.png)
See all
:quality(75)/s3.amazonaws.com/curiosity.content-sync/tagimages/genetics.jpg)
:quality(75)/curiosity-data.s3.amazonaws.com/images/tags/thumbnail/6a0f6c51-21a8-4833-8847-e3d10ca2f422.jpg)
:quality(75)/s3.amazonaws.com/curiosity.content-sync/tagimages/sun.jpg)
:quality(75)/s3.amazonaws.com/curiosity.content-sync/tagimages/measurement.jpg)