Rugby injuries.

When it comes to hospitals and other health care providers the single market may promote competition, especially among specialist hospitals within the community.Demand for medical procedures available in some member states but not others-for example, transplantation and abortion-may grow.A more integrated market could make it more difficult for single countries to enforce attempts to control the quality of medical care and the use of medical technologies.Other community policies might indirectly affect health.For example, harmonising taxes on cigarettes and alcohol could change consumption.The common agricultural policy and environmental policies may have effects on health.Because politicians have not given the topic much priority, consideration of the impact of a single European market on health and health care has not gone much beyond the generation of interesting hypotheses.This must change, beginning with the collection of reliable data on health and systems of health care within the community.Only then