In the advancement of community events, the American continent is being linked to other nations by a free trade economy, which will help increase opportunities, seek new strategies to eradicate poverty and promote social justice.

Epidemiology dictates that the distribution and frequency of a health problem is determined by risk factors. These vary with different groups, depending on their health concepts and protective patterns, such as: moral values, religion, culture, language, education and information.

Consequently, the success of public health in a community is determined by understanding the protective factors, especially in this age of domestic and international travel, migration and communication.