See Schedule OPAVIR's mission is advancing Veterans and public health through innovative research. PAVIR works with more than 100 Principal Investigators and 200 research staff to support basic science, clinical and health services research to realize its mission. PAVIR's diverse studies span the entire spectrum of health research from the investigation of diseases in the laboratory through testing new drug treatments and developing improved models of health care delivery to looking at outcomes both individually and on a large scale. PAVIR's research addresses health challenges that have been faced especially by Veterans, including post-traumatic stress disorder, traumatic brain injury, geriatric medicine, rehabilitation, sleep and other Veterans and public health issues. PAVIR's investigators have appointments at the VA Palo Alto Health Care System and most also hold appointments at the Stanford University School of Medicine.