Health care, including access to medicines, is granted as a citizen's right by the Brazilian Constitution through a national health system called Unified Health System (SUS). The Pharmaceutical Care Programmes of SUS are, quite often, the only way a large part of the population has to obtain...

Many public policies seek to promote, maintain, modify or improve collective actions. The development of a country requires actions that are complex and wide in scope. This and following texts sort out: i) two general classes of problem-situations that lack collective action; and ii) kinds of...