Manuel Spitschan PhD on Twitter: "Do you sneeze when you look at a bright light? We are currently recruiting volunteers (aged 18-75 years) to participate in an online study on sneezing in
For some people, bright light can mean big sneezes! It is believed between 10-30% of people experience sun sneezing Scientists have… | Instagram
![TIL that sneezing from looking at the sun or a bright light is a reflex that affects 18–35% of the world's population. It is called the photic sneeze reflex and it is also known as ACHOO (Autosomal Compelling Helio-Ophthalmic Outburst) syndrome. : r/todayilearned TIL that sneezing from looking at the sun or a bright light is a reflex that affects 18–35% of the world's population. It is called the photic sneeze reflex and it is also known as ACHOO (Autosomal Compelling Helio-Ophthalmic Outburst) syndrome. : r/todayilearned](https://external-preview.redd.it/0CUpQOdDDlasheZi9cmgAgVbn-LftfASGyNEZCiPAqA.jpg?auto=webp&s=c51e9168e4aac1380c75c08d45399c9522353bc2)
TIL that sneezing from looking at the sun or a bright light is a reflex that affects 18–35% of the world's population. It is called the photic sneeze reflex and it is also known as ACHOO (Autosomal Compelling Helio-Ophthalmic Outburst) syndrome. : r/todayilearned
![Why Does Bright Light Make You Sneeze?: Over 150 Curious Questions and Intriguing Answers (Fascinating Bathroom Readers): Thompson, Andrew: 9781612437996: Amazon.com: Books Why Does Bright Light Make You Sneeze?: Over 150 Curious Questions and Intriguing Answers (Fascinating Bathroom Readers): Thompson, Andrew: 9781612437996: Amazon.com: Books](https://images-na.ssl-images-amazon.com/images/I/61JG9MWGGrL._AC_UL600_SR600,600_.jpg)