Alzheimer's disease & dementia

Alzheimer's gene poses both risk and benefits

Scientists drilling down to the molecular roots of Alzheimer's disease have encountered a good news/bad news scenario. A major player is a gene called TREM2, mutations of which can substantially raise a person's risk of the ...

Psychology & Psychiatry

Protecting your brain: 'Use it or lose it'

The findings of a new study suggest that the protective effects of an active cognitive lifestyle arise through multiple biological pathways.

Neuroscience

Characterizing a toxic offender

The brains of individuals with Alzheimer's disease contain protein aggregates called plaques and tangles, which interfere with normal communication between nerve cells and cause progressive learning and memory deficits. Now, ...

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