When you step outside from a dark building into the full glare of the sun, do you suddenly have the urge to sneeze? If so, you're not alone — as many as 1 in 3 people display this reaction. This ...

For a lot of people, going outside into the bright sun makes them feel warm or clear. For some, it makes them sneeze out of ...

Find the answer for They determine hair color and whether you have the photic sneeze reflex from the people who brought you ...

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 ...

If you're the kind of person who opens their windows to the morning sun and promptly has a sneezing fit, you're not alone, and science can explain it.

Sometimes, a funny thing happens when Dr. Roberta Pagon looks directly into the sun. She sneezes. Not just once though, but usually three times. She's not the only one in her family who sneezes when ...