Preface This volume contains the papers presented at the 3rd Workshop "From Biology To Concurrency and back", FBTC 2010, held in Paphos, Cyprus, on March 27, 2010, as satellite event of the Joint European Conference on Theory and Practice of Software, ETAPS 2010. The Workshop aimed at gathering together researchers with special interest at the convergence of life and computer science, with particular focus on the application of techniques and methods from concurrency. The papers contained in this volume present works on modelling, analysis, and validation of biological behaviours using concurrency-inspired methods and platforms, and bio-inspired models and tools for describing distributed interactions. The invited speaker, Alberto Polic...