Link Between Alzheimer’s Biomarkers and Depression in Older Adults | Neuroinflammation’s Role in Aging Mental Health

In this episode of SciBud, we're diving into a groundbreaking study that unravels the complex relationship between Alzheimer's disease biomarkers and depressive symptoms in older adults. Led by a team utilizing data from the extensive ASPREE trial, this research highlights a striking correlation: higher levels of a protein called GFAP—linked to neuroinflammation—are associated with increased depressive symptoms in individuals aged 70 and older. While other biomarkers like amyloid beta and neurofilament light chain didn’t show the same connection, this finding underscores the potential role of inflammation in mental health as we age. Join Rowan as we explore the study’s robust methodology, strengths, and limitations, and consider the implications for future research and treatment strategies. Whether you're a science newbie or a seasoned expert, this episode promises a compelling look at how the aging brain and mental health intersect. Stay curious! Link to episode page with article citation: www.scibud.media/podcast/season/2026/episode/327