Signatures of Alzheimer’s Disease Discovered in Dolphins. This is the first time that these signs – neurofibrillary tangles and two kinds of protein clusters called plaques – have been discovered together in marine mammals.

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Signatures of Alzheimer’s Disease Discovered in Dolphins. This is the first time that these signs – neurofibrillary tangles and two kinds of protein clusters called plaques – have been discovered together in marine mammals.