Some people sneeze when they look into the sun because of Autosomal Compelling Helio-Ophthalmic Outburst syndrome (ACHOO), or photic sneeze reflex (PSR). It happens when the brain misinterprets a ...

ACHOO syndrome causes uncontrollable sneezing from sunlight, camera flashes, and more. Evidence suggests that scientists have been trying to understand the cause as far back as 350 BCE. ACHOO syndrome ...

ST. LOUIS, Mo. – Why do we sneeze? A team of Washington University researchers have pinpointed the neurons responsible for going ‘achoo.’ The region of the brainstem associated with sneezing was ...

The sun does more than brighten up the sky. It is the cause of all of our weather, by driving the water cycle. The sun sometimes causes the body to react in weird ways, too. It brightens our moods. It ...

As a teenager, Manuel Spitschan discovered that just like his father, if he felt the urge to sneeze, looking at bright light could induce it. What seemed like a funny family quirk is actually rooted ...

There is a little-known condition called photic sneeze reflex, or autosomal compelling helio-ophthalmic outburst (ACHOO) syndrome. It occurs in response to certain stimuli: for example, when you are ...

Q: When I am in a dark place for a while and then get exposed to sunlight, I sneeze. Am I allergic to sunlight? A: It sounds like you have the Autosomal-dominant Compelling Helio-Ophthalmic Outburst ...

The ancient custom of following an “achoo” with a “God bless you” has held steadfast for nearly seven centuries. Is there a religious connection to the practice? “The phrase has a clear religious ...

Lauren Johnson, 12, sneezes up to 16 times a minute, baffling her doctors. Nov. 11, 2009— -- Lauren Johnson is a typical 12-year-old girl whose life is constantly punctuated by interruptions that ...

We do it when we’re sick, when we’re cleaning out our closets and, according to a recent YouTube chat with astronaut David Wolf, we do it in space. Even pandas do it. Yet few really understand what’s ...

Researchers filmed a sneeze at 1000 frames per second. — -- Just in time for cold and flu season, MIT researchers are showing you exactly what a sneeze looks like in slow motion. Lydia Bourouiba, ...