Health issues in precarious people. Though if it is not possible to draw a single picture of the health of precarious people, many works on social inequalities in health underline their vulnerability and an increased frequency of a variety health problems. We can cite certain harmful behaviors for health (smoking, consumption of psychoactive substances, insufficient food or, conversely, too rich and not very diversified, sedentary lifestyle, delay in screening and prevention, violence, etc...), for certain diseases (cardiovascular diseases, skin diseases, dental problems, respiratory diseases, mental distress, infectious diseases including tuberculosis and HIV, etc.) and in terms of access to care and prevention. Thus, despite the resources to reduce social inequalities in health in France, the state of health of people in precarious situations continues to deteriorate and should constitute a public health priority for health authorities and for caregivers.