Social, psychological, and health factors and their interplay on psychosocial functionally on theories of personality and behavior, ethnic, social, and cultural influences, environmental influences, physical health, impairment, and disability, including mental and emotional controls caused by chronic and terminal illness. The Licensed Clinical Social Worker (LCSW-C) applies specialized clinical knowledge and advanced clinical skills in assessing, diagnosing, and treating mental, emotional, behavioral, and developmental disorders, conditions, and addictions.