Journals launched: 56
Papers published: 5637
Like Us on Facebook
Follow Us on Twtter
Sneezing when going from a dark room to bright light has a genetic basis, researchers have found.
The condition, called photic sneezing, affects about one in four people and has been traced to a single letter change in one spot in our DNA.
Despite these findings however, researchers still don't know why the condition evolved in the first place.