Why do you sneeze after stepping out of a cool, air-conditioned room into the sunlit outdoors?

Question

Why do you sneeze after stepping out of a cool, air-conditioned room into the sunlit outdoors?

In: Biology

Answer 1

Photic sneeze reflex. When you move from a cool, dim place to bright sunlight, the sudden change in light and temperature can trigger a sneeze. It’s like your body’s way of clearing out the extra air or particles that might have built up