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
Layers of Culture. There are very likely three layers or levels of culture that are part of your learned behavior patterns and perceptions. Most obviously is the body of cultural traditions that distinguish your specific society.