Dementia, a broad term for a decline in mental ability severe enough to interfere with daily life, is a growing global health concern. As populations age, understanding the true scope of dementia becomes crucial for healthcare planning

 PTSD is highly prevalent among US veterans. This study found that among older veterans, a PTSD diagnosis conferred a significantly increased risk of developing dementia, with rates higher throughout the follow-up period. This underscores the importance of screening and treatment for those with PTSD.