[Causal relationships between health and work: an economist's viewpoint]

The economists interest in the relationships between health and work by studying three relations: the negative effect of the poor health on the position on the labor market, the positive influence of work on health but also the role of hard working conditions and employment on health status. If the international literature is plentiful, the French literature is more recent. In France, the effects of health events are more penalizing on the professional career when they onset in second part of career inviting in the implementation of a premature prevention in companies. The studies also underline fragile populations such as the anxious men.