Yonsei University Wonju Campus 1 article published in JoVE Immunology and Infection Effects of Exposure of Formaldehyde to a Rat Model of Atopic Dermatitis Induced by Neonatal Capsaicin Treatment Rafael Taeho Han1, Seung Keun Back2, JaeHee Lee1, Hye young Kim1, Hee Jin Kim3, Heung Sik Na1 1Neuroscience Research Institute & Department of Physiology, College of Medicine, Korea University, 2Department of Pharmaceutics and Biotechnology, College of Medical Engineering, Konyang University, 3Division of Biological Science and Technology, Science and Technology College, Yonsei University Wonju Campus We describe here methods for neonatal capsaicin treatment to induce atopic dermatitis in rats and exposure of vaporized formaldehyde to investigate the effects of formaldehyde inhalation on atopic dermatitis.