[Swiss healthcare system: a bulimic machine].

Healthcare costs are a sensitive issue in Switzerland, in particular because of the financial burden of insurance premiums on households. The amount of resources allocated and their significant and regular increase seem to be out of control. But what do these costs really represent? How do we fuel our "machine" and what is the combustion mechanism behind it? At a time when debates are often very much focused on individual interests, this article attempts to answer these questions and to examine the sustainability of a health policy that focuses above all on illness and the cost of care.

[Risk assessment and management: between epidemiology and social acceptability].

Risk is a well-known concept in medicine and in epidemiology and its approach intend to be rational and measurable. Risk measurement makes it possible to communicate with a patient or a population the risk of occurrence of an event. However, it is often difficult to estimate accurately the probability of occurrence of an adverse event and there is therefore uncertainty.