Smog could make children look like “ugly ducklings”, the Dean of Xi’an Zhongda Ear, Nose and Throat (ENT) School Zhang Quan’an says. “If the harmful particles in the smog irritate children’s nose mucous membrane, causing symptoms like nasal congestion, running nose and sneezing, children will have to breathe through their mouths for a relatively long period of … Continue reading Smog could make children ugly, Chinese expert says