Does bright light cause you to sneeze? Not all people has this reaction. However, there are many people who do. Called “sun sneezers,” these people sneezes when, for example, they goes from dim light into sunlight. Actually, “photic sneeze reflex,” or PSR, be the scientific name for it. You may not believes this, but some also call it ACHOO, which stand for “autosomal dominant compulsive helio-opthalmic outbursts” of sneezing. Scientists estimate that as many as one-quarter of all people are sun sneezers. Researchers can even predicts how many times an average sun sneezer sneeze. Scientists have come to know such figures by observing how often sun sneezing occur among members of the same family. The average number of sneezes are usually two
