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
Cultural diffusion is attributed to three factors, transportation, technology, and better education. Because all three of those things are on the rise, cultures diffuse more and more each day. Cultural diffusion can be separated into six groups, Social, Political, Religious, Intellectual, Technological, and Economic. Looking at today's society, we can find examples of cultural diffusion that will fit into each of these classifications.