[Concepts. Minimally disruptive medicine].

This paper presents some concepts about overdiagnosis and its consequences: overtreatment and the medicalization of the society. It recalls the origin of the term, that comes from the screening and diagnosis of cancer, and it reviews the strategies to overdiagnose. Furthermore, it analyses the conversion of illnesses diagnostic thresholds as well as the transformation of normal and vital processes and risk factors in illnesses.

[Models for primary care and mental health collaboration in the care of people with depression: main results and methodological challenges of a systematic overview].

Background: Weaknesses in the collaboration between Primary Care (PC) and Mental Health (MH) are a relevant problem in the care of depressed patients. It is necessary to analyse and appraise the existing models of collaboration to assess their applicability to the Spanish Health System. The aim of this study is to know the main characteristics of the different models of collaboration between PC and MH in the care of patients with depression and the quality of their effectiveness evidence.