Researchers estimate that 8% of the world’s population has a defective ALDH2 gene. People of Korean, Japanese, or Chinese descent are more prone to this genetic defect than people of other ethnicities. Quercetin is a plant pigment that has been shown to cause sneezing in some people. Kaia, a distinguished sommelier known for her unparalleled… Read More Causes of Stuffy Nose on Drinking Alcohol & Ways to Get Rid of it?