Palliative care aims to relieve pain and suffering and improve quality of life for anyone with an advanced illness regardless of diagnosis, prognosis, or treatment. An interdisciplinary team addresses physical, emotional, social and spiritual needs. Diseases that may require palliative care include cancer, Alzheimer's, Parkinson's, and AIDS. Cancer affects uncontrolled cell growth. Alzheimer's is a brain disorder that affects daily activities. Parkinson's affects neurons controlling movement. AIDS applies to advanced HIV infection affecting the immune system.