Johns Hopkins University Jul 11 2025 For decades, the story of Alzheimer's research has been dominated by a battle between A-beta and tau amyloids, both of which can kill neurons and impact the brain's ability to function. A new study suggests, however, that these sticky brain plaques may not be operating alone.  Johns Hopkins University researchers have identified more than 200 types of misfolded proteins in rats that could be associated with age-related cognitive decline.  The findings could