Stranded dolphins have amyloid plaques in their brains

Dolphins stranded on the beaches of Florida and Massachusetts show in their brains amyloid plaques, a hallmark in human beings of Alzheimer's disease, together with an environmental toxin produced by cyanobacterial blooms.

How do protein tangles get so long in Alzheimer's?

Early in the course of Alzheimer's disease—long before future patients begin to notice symptoms—neurofibrillary tangles composed of tau protein aggregates begin to form in their brain cells. How toxic these aggregates ...