“…1,2 Formaldehyde is a harmful substance that can irritate the mucous membranes of the human eye, nose, throat, and upper respiratory tract. [3][4][5][6] In a clinical setting, high formaldehyde levels signicantly increase the likelihood of developing upper respiratory sick building syndrome. 7,8 Previous studies have shown that formaldehyde exposure has genotoxic effects, which are associated with several diseases, such as contact allergy, 9,10 asthma, 11,12 leukemia, 13,14 cancer, 15,16 and brain/neuron disorders.…”