A member asked:

My fiance sneezes every time he's in the sun, why is this?

A doctor has provided 1 answer
Dr. Michael Zacharisen answered

Specializes in Allergy and Immunology

Photic sneeze reflex: Exposure to bright light such as sunlight elicits a sneeze in about 1 of every 4 individuals. This phenomenon may be the consequence of higher sensitivity to visual stimuli in the visual cortex of the brain and of co-activation of somatosensory areas. This was evaluated by eeg.

Answered 4/6/2014

4.2k views

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