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Epidemiology is the study of health in populations to understand the causes and patterns of health and illness. The Epidemiology Program, a research division of VA’s Office of Public Health, conducts research studies and surveillance (the collection and analysis of data) on the health of Veterans.
Operation Enduring Freedom (OEF), Operation Iraqi Freedom (OIF) and Operation New Dawn (OND)
Burn Pits VA is sponsoring several in-depth studies on possible health effects of open burn pits in military settings in Afghanistan and Iraq.
Suicide Risk and Risk of Death Researchers looked at the risk of suicide and death among 1.3 million Veterans who served in Iraq or Afghanistan between 2001-2007.
Gulf-Era Twin Registry
VA is collecting data on the military and life experiences of up to 12,000 twins who separated from military service after 2001. The Gulf-Era Twin Registry will help researchers identify Veterans who are eligible for future research studies.
Longitudinal Health Study of Gulf War Era Veterans Researchers evaluated health data from 5,469 Gulf War-deployed Veterans and 3,353 Veterans who served elsewhere during the Gulf War. These Veterans participated in an initial survey in 1995 and a second survey in 2005.
Post War Mortality from Neurologic Diseases in Gulf War Veterans Researchers are investigating the risk of post-war mortality from neurological disease among 620,000 Gulf War Veterans and 750,000 non-Gulf War Veterans. Gulf War Veterans may be at increased risk for amyotrophic lateral sclerosis (ALS), multiple sclerosis, Parkinson's disease, or brain cancer.
Army Chemical Corps Vietnam-Era Veterans Health Study
Researchers are studying 4,000 Veterans who served in the U.S. Army Chemical Corps sometime between 1965-1973 to determine if high blood pressure (hypertension) and chronic obstructive pulmonary disease (COPD) are related to Agent Orange exposure during Vietnam.