[Prevention of psychosocial issues and drug addiction in workers employed in building great infrastructures: first outcomes of an experience in the Florence area].

: The research on stress, mobbing, and substance dependence in workers employed in the building of the great infrastructures is part of the project Euridice-Ten. The 75% of the workers employed took part in the research through an anonymous and structured questionnaire. The Clinica del Lavoro of the University of Milan elaborated the data. They point out a high risk of stress, a low level of control, a marked risk of mobbing, a high chronic fatigue in the most exhausting jobs, sleep disorders, problems in the social life as well as at home, in nourishment and at work. Many workers drink too much alcohol and the 9% of the workers know workers who use cocaine.