4 – Alzheimers

Brain and blood chemistry changes indicative of Alzheimer’s disease can be detected 10 to 20 years before memory loss and other cognitive symptoms develop, according to doctors studying families with inherited forms of the disease.

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More than half of HIV patients experience memory problems and other cognitive impairments as they age, and doctors know little about the underlying causes. New research suggests HIV-related cognitive deficits share a common link with Alzheimer’s-related dementia: low levels of the protein amyloid beta in the spinal fluid.

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