Remarkably, this boost in cognition occurred despite the accumulation of Alzheimer-related toxins in the brain, such as amyloid-beta and tau. Post navigationPreviousPrevious post:A new study published in JAMA Psychiatry suggests that clinical depression is associated with a 30% increase in brain inflammation.NextNext post:Alzheimer’s patients have brains with significantly more genetic variation than the brains of those without the disease, according to a study led by scientists at The Scripps Research Institute.