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 ...

Have you ever looked at a bright light or the sun (a pretty bright light) and had to sneeze? If so, you have been blessed genetically with the ACHOO syndrome or photic sneeze reflex (PSR). The acronym ...

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 ...

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 ...

The sun does wonders for our bodies overall. It's a natural mood stimulator because it gets that happy, feel-good hormonal chemical serotonin flowing, so to speak. Even when we're feeling fine, ...

Imagine walking out of a movie theatre into the bright afternoon sun when suddenly you start uncontrollably sneezing! For many people this is a regular occurrence, and there is a reason behind the ...