The document discusses whether internet addiction should be classified as a mental illness. It provides examples of extreme internet addiction negatively impacting people's health and relationships. Researchers have found internet addiction affects brain areas related to decision making and self-control. While more research is still needed, experts argue internet addiction shares characteristics with substance abuse and should be included in the DSM-V. However, others worry the classification could be overused and more work needs to be done to clearly define internet addiction as a mental illness.