The symptoms of HIV can differ from person-to-person and some people may not get any symptoms at all for many years. Without treatment, the virus will get worse over time and damage your immune system. There are three broad stages of HIV infection, with different possible effects.
What are the three levels of cultural complexity that sociologists use to study different cultures? The three levels are perception, aspects that are below the conscious levels, and patterns of behavior. Each of these can be used to help learn about a society. Edit
Culture is a huge topic of study for sociologists. In this lesson, we define culture and distinguish between material and nonmaterial culture. As culture, nation, and society are often used interchangeably, we also distinguish between these three concepts. Sociology 101: Intro to Sociology / Social Science Courses.