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Inflammatory Brain Immune Cells Checked in Active Older Adults

Physical activity may improve brain health, particularly in Alzheimer’s disease through decreased microglial immune activation, according to a new research study published in the Journal of Neuroscience. The researchers monitor 24-hour activity levels before annual cognitive exams in the study participants and in postmortem brain tissue analyses of these participants, they measure morphological and synaptic markers of microglia activation through immunohistochemistry, and Alzheimer’s disease pathology.