[Care under stress].

Care has recently become a topical subject namely through the notion of care. We are quite happy with this evolution and still wonder about the reasons for this sudden interest for this essential human activity that goes back to the dawn of time. Beyond this debate, we propose to understand why care, as an essential form of response to the vulnerability of the others is necessarily in tension between three unsubstitutable elements : technics, relation and justice. The question whether our techno-scientific medicine and sanitary organization of today really contribute to care is still raised