Alzheimer's disease & dementia

New information on the pathological mechanisms of Alzheimer's disease

Researchers at the University of Helsinki have discovered a mechanism by which harmful tau protein aggregates are transmitted between neurons. Alongside amyloid plaques, tau aggregates in the brain are a significant factor ...

Alzheimer's disease & dementia

Periodontal disease bacteria may kick-start Alzheimer's

Long-term exposure to periodontal disease bacteria causes inflammation and degeneration of brain neurons in mice that is similar to the effects of Alzheimer's disease in humans, according to a new study from researchers at ...

Neuroscience

An immunological memory in the brain

Inflammatory reactions can change the brain's immune cells in the long term—meaning that these cells have an "immunological memory." This memory may influence the progression of neurological disorders that occur later in ...

Alzheimer's disease & dementia

New player in Alzheimer's disease pathogenesis identified

Scientists at Sanford Burnham Prebys Medical Discovery Institute (SBP) have shown that a protein called membralin is critical for keeping Alzheimer's disease pathology in check. The study, published in Nature Communications, ...

Alzheimer's disease & dementia

Sleep and Alzheimer's disease connection

How often do you get a good night's sleep? Centers for Disease Control and Prevention guidelines recommend adults get an average of at least seven hours of sleep a night. Dr. Ronald Petersen, a Mayo Clinic neurologist, says ...

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