nope not universal. https://en.wikipedia.org/wiki/Photic_sneeze_reflex https://en.wikipedia.org/wiki/Photic_sneeze_reflex my entire family does it on my mom's

nope not universal. https://en.wikipedia.org/wiki/Photic_sneeze_reflex https://en.wikipedia.org/wiki/Photic_sneeze_reflex my entire family does it on my mom's side. when you tell it to someone who doesn't do it they think you are crazy.