NEWS AND VIEWS Between Healing and Harm: The Two Faces of Acetylcholine in Lung Immunity Alessandra Ruiz-Sánchez, Alessandra Ruiz-Sánchez Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid, Spain Search for more papers by this authorEmilio Nuñez-Borque, Corresponding Author Emilio Nuñez-Borque Department of Immunology, Instituto de Investigación Sanitaria Hospital Universitario de La Princesa (IIS-Princesa), Madrid,...