The subtypes of Alzheimer's disease and amyloid as a protectant | Dale Bredesen

Parent Episode: Dr. Dale Bredesen on Preventing and Reversing Alzheimer's Disease

Alzheimer’s disease is a complex disorder that affects nearly 44 million people worldwide. Five known subtypes of the disease have been identified and include inflammatory, atrophic, toxic, vascular, and traumatic variants. The subtypes vary in their causes and manifestation, but the underlying pathological features – the accumulation of amyloid-beta plaques and tau tangles in the brain – are the same. Interestingly, amyloid-beta is both a friend and a foe, serving as a neuroprotectant in some scenarios. In this clip, Dr. Dale Bredesen identifies the defining characteristics of Alzheimer’s disease and enumerates its known subtypes.

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