According to the WHO, health is a state of global well-being, which includes both physical, mental and social aspects, not just the absence of disease. This definition has its origins in the mid-20th century and has not been changed since then. Health is a preferential good, which represents one of the most priority fundamental human needs, as well as one of the fundamental human rights. From this point of view, the health service should not be denied to anyone, but reality shows that this is a very recurrent practice. While health is a public good, it is not a public good in itself, as multiple groups have erroneously claimed. social groups that demand an adequate and equitable distribution of health services. This happens because health does not satisfy the two fundamental requirements that a good must possess to be considered public: that it is neither a rival good nor an exclusive good. First, health is a competing good because the marginal cost of caring for one additional person is very high in terms of medicines, supplies, treatments and time, in addition to the fact that a doctor cannot care for multiple people at the same time, therefore his enjoyment deprives others of it. Secondly, and finally, exclusion is possible through the price system. If health has the characteristics of a private good whose value is higher than the cost of provision, why in theory does the State intervene in its supply? of goods and services that society requires, but in many cases this does not happen, especially with those goods on which the level of social well-being depends, such as education and... middle of paper..... .cities, have access to basic medical service, but this is only the first phase of a project that aims to expand the basic service to more treatments and reach 100% of the population.Conclusion.Health is a private good provided both by private individuals and by the state. The causes that lead to state intervention in supply, as well as the challenges that must be faced to achieve it, are various and of a social nature. However, the resulting benefits are a more socially efficient and equitable distribution, making it a socially profitable investment, which applies to all countries in the world. This is why I believe that state intervention in a market can be more complicated, and perhaps expensive, than letting the market function on its own is a cost worth bearing for the common good...