 More in details, the main aim of the project refers to the efficacy of TFCs in tobacco in improving the lung health of heavy smokers involved in the COSMOS II program. If proved safe and efficacy, TFC should be included in lung cancer screening programs as a standard tool to reduce the smoking-related risks for lung diseases. Naturally, this aim requires a scientific approach, since TFC should not increase the nicotine dependence. Another fundamental aim of the project refers to the efficacy of TFCs in tobacco consuming reduction. In particular, none study have already test the feasibility and the efficacy of these tools in limiting risk behaviors tobacco smoking among heavy smokers enrolled in a lung cancer screening program. Consequently, we want to analyze if providing TFC to participant in a controlled protocol will reduce tobacco consumption and related health problems and breathing problems. We also aim to analyse the psychological characteristics and needs of subjects enrolled in the COSMOS II program, in order to evaluate how risk perception the premise of risk behaviour adoption is associated with a psycho-cognitive profile. We argue that an important and successful screening project, as the COSMOS, should incorporate a comprehensive approach to the individual. 