VA epidemiology research studies index (study catalog)

Epidemiology Research Studies - Public Health skip to page content Attention A T users. To access the menus on this page please perform the following steps. 1. Please switch auto forms mode to off. 2. Hit enter to expand a main menu option (Health, Benefits, etc). 3. To enter and activate the submenu links, hit the down arrow. You will now be able to tab or arrow up or down through the submenu options to access/activate the submenu links. Get help from Veterans Crisis Line Locator Contact Search Contact Us FAQs Ask a Question Toll Free Numbers Locator Hospitals and Clinics Vet Centers Regional Benefits Offices Regional Loan Centers Cemetery Locations Get help from Veterans Crisis Line Search Enter your search text Button to start search site map [a-z] More VA More VA Health Health Care Information A-Z Health Topic Finder My Health e Vet Prescriptions Refills Schedule a VA Appointment Veterans Crisis Line Mental Health PTSD Public Health Community Care Caregiver Support Urgent Care Benefits General Benefits Information Disability Compensation Pension GI Bill ® Vocational Rehabilitation & Employment Dependents' Educational Assistance Survivor Benefits Home Loans Life Insurance Appeals Modernization Burials & Memorials National Cemetery Information Burial and Memorial Benefits Find a Cemetery Locate a Grave Apply for Pre-need Eligibility Schedule a Burial Cemetery Grants Cemetery Restoration Veterans Legacy Memorial NCA History Program Veterans Legacy Program About VA Inside VA Secretary of VA Executive Biographies Organizations History Budget and Performance VA Plans, Budget, & Performance Agency Financial Report (AFR) Budget Submission Recovery Act Resources Business Congressional Affairs Jobs Benefits Booklet Data & Statistics VA Open Data VA App Store National Resource Directory Veteran Service Organizations Office of Accountability & Whistleblower Protection Transparency Media Room Inside the Media Room Public Affairs News Releases Speeches Videos Publications National Observances Veterans Day Memorial Day Celebrating America's Freedoms Special Events Adaptive Sports Program Creative Arts Festival Golden Age Games Summer Sports Clinic Training - Exposure - Experience (TEE) Tournament Wheelchair Games Winter Sports Clinic Locations Hospitals & Clinics Vet Centers Regional Benefits Offices Regional Loan Centers Cemetery Locations Contact Us FAQs Ask a Question Toll Free Numbers VA » Health Care » Public Health » Epidemiology » Epidemiology Research Studies Public Health Menu Menu Public Health Health Outcomes Military Exposures (HOME) Military Exposures Military Exposures Home 4 Ways to Find Exposures Related Health Concerns Wars & Operations Exposure Categories A-Z Index Agent Orange Agent Orange Home Facts about Herbicides Veterans' Diseases Birth Defects Benefits Exposure Locations Provider Resources Research Studies Publications & Reports Depleted Uranium Depleted Uranium Home DU Exposure Health Concerns DU Screening DU Follow-up Program Health Care Providers Embedded Fragments Home Embedded Fragments Eligibility Surveillance/Follow-up Fragment Removal Gulf War Veterans' Illnesses Gulf War Veterans' Illnesses Home Gulf War Service Medically Unexplained Illnesses Infectious Diseases Benefits Exposures during Gulf War Provider Resources Research Studies Publications & Reports Airborne Hazards and Burn Pits Airborne Hazards Home Registry Research How to Get Care Health Care Providers FAQs Participants Radiation Radiation Home Facts about Radiation Related Diseases Benefits Exposure during Service Provider Resources Research Studies Publications Benefits Benefits Overview Health Registry Evaluation Health Care Provider Resources Publications & Reports Scientific Publications Military Environmental Exposures Assessments VET-HOME VET-HOME Overview Diseases & Conditions Diseases & Conditions Index Military Exposure Related Health Concerns Gulf War Veterans' Illnesses Studies & Data Studies & Data Index Epidemiology Epidemiology Home Research Studies Publications List Reports For Providers Provider Resources Exposure Research Research (PACT Act) Studies Partners Sources About Us Health Outcomes Military Exposures & Biographies Surveillance Military Environmental Exposures Contact Public Health More Health Care Veterans Health Administration Health Benefits Health Benefits Home Apply for VA Care Apply Online Veteran Eligibility Active Duty Families of Veterans Women Veterans Determine Costs Copays Means Test Health Insurance Make a Payment Community Care Community Care Home For Veterans For Providers Forms & Publications Affordable Care Act Overview Veterans Enrolled in VA Health Care Veterans Not Enrolled in VA Health Care Family Members Frequently Asked Questions Schedule a VA Appointment Caregiver Support Urgent Care Conditions & Treatments See All Conditions & Treatments (A-Z) Hepatitis HIV Mental Health Mental Health Home Suicide Prevention Substance Abuse Military Sexual Trauma PTSD Research (MIRECC) Military Exposures Polytrauma Rehabilitation Spinal Cord Injury Telehealth Womens Health Issues Wellness Programs MyHealtheVet Nutrition Quitting Smoking Vaccines & Immunizations Flu Vaccination Prevention / Wellness Public Health Weight Management (MOVE!) Whole Health Program Locations Hospitals & Clinics Vet Centers Veterans Canteen Service (VCS) Research Research Home About VA Research Services Programs News, Events and Media Research Topics For Veterans For Researchers Research Oversight Special Groups Caregivers Combat Veterans & their Families Readjustment Counseling (Vet Centers) War Related Illness & Injury Study Center Homeless Veterans Returning Service Members Rural Veterans Seniors & Aging Veterans Volunteers Women Veterans Careers, Job Help & Training Find a Job with VA Health Care Jobs (VA Careers) Travel Nurses Get Job Help Vets in the Workplace VA for Vets Performance Based Interviewing Clinical Trainees (Academic Affiliations) Employees & Contractors Talent Management System (TMS) VA Learning University (VALU) SimLearn Libraries (VALNET) VA Software Documentation Library (VDL) About VHA Learn about VHA Forms & Publications Quality & Safety Access and Quality Data Ethics VA/DOD Clinical Practice Guidelines Medical Inspector Patient Safety Organizations Administrative Clinical Quick Links Enter ZIP code here Enter ZIP code here Epidemiology Research Studies Epidemiology is the study of health in populations to understand the causes and patterns of health and illness. The Epidemiology Program, within VA’s Health Outcomes Military Exposures office, conducts epidemiology research studies and surveillance (the collection and analysis of data) on the health of Veterans. OEF/OIF/OND Veterans Operation Enduring Freedom (OEF), Operation Iraqi Freedom (OIF) and Operation New Dawn (OND) Comparative Health Assessment Interview (CHAI) This is a study on the effects of military service, deployment, and combat on the health and well-being of Veterans. National Health Study for a New Generation of U.S. Veterans This study collected data on health risk behavior, general health, health care utilization, and potential exposures. 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. Gender Differences in Suicide Risk Among OEF/OIF Veterans Researchers evaluated patterns of suicide risk among male and female OEF and OIF Veterans. K2 Surveillance Program Launched in the summer of 2022, the K2 Surveillance Program analyzes potential negative health effects associated with deployment to K2. 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. Gulf War Era Veterans with 1990-1991 service Gulf War Era Cohort Study The Gulf War Era Cohort Study (GWECS) is the largest and longest-running study of Veterans who served during the 1990-1991 Gulf War. View more research on Gulf War Veterans' illnesses . The Health of Female and Male Gulf War-era Veterans Research on Gulf War-era Veterans showed that many health problems were more common among females compared to males. 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. View more research on Gulf War Veterans' illnesses . Vietnam Era Veterans Vietnam Era Veterans Mortality Study This is a retrospective study of mortality among the entire Vietnam-era Veteran population. Vietnam Era Health Retrospective Observational Study (VE-HEROeS) This study will assess the current health and well-being of Vietnam era Veterans and compare their health to similarly aged U.S. residents who never served in the military. Army Chemical Corps Vietnam-Era Veterans Health Study Researchers are studying approximately 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. Health of Vietnam Era Women's Study This is the most comprehensive study to date of the mental and physical health of women Vietnam Veterans. The study will be used to shape future research and to plan for appropriate services for women Veterans and the aging Veteran population. View more research on Agent Orange health effects . Project 112/SHAD Veterans VA continues to study the long-term health effects of Project 112/SHAD , biological and chemical warfare tests from 1962 to 1974. War Related Illness and Injury Research VA's The War Related Illness and Injury Study Center focuses on research for deployment-related health conditions. return to top Resources War Related Illness and Injury Research VA Research and Development PubMed ClinicalTrials.gov CONNECT Veterans Crisis Line: Call: 988 and (Select 1) Social Media Complete Directory EMAIL UPDATES Email Address Required Button to subscribe to email VA HOME Notices Privacy Regulations Web Policies No FEAR Act Site Index USA.gov White House Inspector General QUICK LIST Apply for Benefits Apply for Health Care My Health e Vet Life Insurance Online Applications VA Forms State and Local Resources VA Plans, Budget, & Performance VA Claims Representation RESOURCES Careers at VA Employment Center Veteran Readiness & Employment Homeless Veterans Women Veterans Minority Veterans Plain Language Surviving Spouses & Dependents Adaptive Sports Program ADMINISTRATION Veterans Health Administration Veterans Benefits Administration National Cemetery Administration U.S. Department of Veterans Affairs | 810 Vermont Avenue, NW Washington DC 20420 Last updated April 29, 2026 Get help from Veterans Crisis Line Call 988 (Press 1) Text to 838255 Chat confidentially now Call TTY if you have hearing loss 1-800-799-4889 If you are in crisis or having thoughts of suicide, visit VeteransCrisisLine.net for more resources. Close this modal