Neuroinflammation—as measured by levels of activated microglia, the brain’s immune cells—was strongly linked with irritability, agitation, and nighttime disturbances in people with dementia, recent found. The results, published in ÌÇÐÄvlog Open, were based on data from a cross-sectional study that involved 109 participants aged 38 to 87 years, about two-thirds of whom did not have cognitive impairment.