Why sneeze sunlight

You have successfully subscribed to our newsletter. Related Articles. Are Tanning Beds Safe? Trending Topics. What Parents Need to Know. Share this article via email with one or more people using the form below. Eye and Ear physician directory to find the right ophthalmology eye or otolaryngology ear, nose and throat specialist. Koichi Tsunoda 2 years, 10 months ago. I remember when I was jeunior highschool student. Sometimes I felt to try to sneeze but could not. That time my friend suggested me to look at the sun or light, it mekes me seeze easily.

Now I recognized it was true. Suzanne Day 2 years, 10 months ago. Chip R 2 years, 9 months ago. I once heard that it was a trait that prompted newborn babies to sneeze once they were exposed to light in order to clear their passages. Lisa C 2 years, 8 months ago. This was such an interesting topic! My son has OCA1 albinism albino and every time he goes outside on a sunny or overcast day, he will sneeze.

We make a joke of it now that he is older. Once he gets that first sneeze out, he is fine. Anna Franz 2 years, 7 months ago. Well, Personally when I want to sneeze but I still need a little bit of tingling to sneeze I looked up to the sun and it complete.

Samir 5 months ago. I have on a few occasions seen my phone activate it, but rarely. I believe there is a response to either ultraviolet or infrared light or something else in the invisible spectrum.

It would be interesting to have a study on these wavelengths and it might be the root cause when combined with the genetic component. Ryan Jaslow 4 months, 3 weeks ago. Thanks for reading and sharing your experience, Samir. I agree some more research on this topic would be fascinating to see!

Expert Chats. Eye and Ear Communications Monday, Mar 20, Read More. An estimated 40, microscopic particles can spew out of the human body — at a rate 85 percent the speed of sound — each time we sneeze. How delightful. But why did evolution decide for some of us to sneeze when accosted by bright light?

Answer: Likely, no. But large, in-depth studies on this or other theories are lacking, with most photic sneeze reflex research based on small case studies of single families or small groups of photic sneezers. Subscribe to our Science Newsletter to explore the wide worlds of science, health and technology. For example, in , a Swiss study found greater stimulation of the primary and secondary visual cortex — regions of the brain that processes visual information — of 10 photic sneezers when exposed to various wavelengths of light compared to those who do not have the reflex.

The optic nerve feeds information to the visual cortex. Those nerves exit the eye via the trigeminal nerve. In that study, however, the 13 individuals analyzed were all from the same family. Taking a closer look at photic sneeze reflex could reveal important insights on other diseases. His lab has collected surveys on photic sneeze reflex for years but has lacked funding to analyze the information in depth. He believes a dearth of money is to blame for few exhaustive studies.

In most cases, sneezes summoned by sudden changes in light are relatively harmless. But the triple threat of bright light-induced temporary blindness, an induced sneeze and subsequent eyelid closure could be threatening under special circumstances.

Case studies suggest high-wire acrobats , baseball outfielders and combat pilots may be adversely impacted.