Tracking Military Health Through the Millennium Cohort Study
Key Highlights
- ➤Millennium Cohort Study reaches 25th anniversary after tracking more than 260,000 participants
- ➤Leidos supports the study lifecycle, from recruitment and surveys through analysis and publication
- ➤Study findings helped add asthma, rhinitis and sinusitis to VA presumptive conditions
- ➤Research has produced more than 200 peer-reviewed publications across the broader program
- ➤Study enrollment and follow-up are expected to continue through 2068
NORTHAMPTON, MA / ACCESS Newswire / October 20, 2026 / For more than three decades, Leidos has helped federal military leaders turn health questions into evidence that improves care and readiness. The Millennium Cohort Study shows that work in action, helping agencies better understand health challenges and strengthen programs as needs evolve.
Launched in 2001, the Millennium Cohort Study is the largest prospective health study of U.S. service members and veterans. To date, more than 260,000 participants have contributed to a growing body of evidence on how military service affects health over time. The study surveys participants every three to five years and links survey data with administrative records. These data linkages create a longitudinal view of health, throughout military service, including deployment experiences, and through the transition into veteran life and beyond.
Get started
Create a free account to read the full story.