Neuroscience

Concussions early in life tied to late life cognitive decline

A study of twins shows that having a concussion early in life is tied to having lower scores on tests of thinking and memory skills decades later as well as having more rapid decline in those scores than twins who did not ...

Alzheimer's disease & dementia

New blood test gives high accuracy screen for Alzheimer's disease

A new blood test called p-tau217 shows promise as an Alzheimer's disease biomarker, and when used in a two-step workflow very high accuracy to either identify or exclude brain amyloidosis, the most important and earliest ...

Alzheimer's disease & dementia

Q&A: The signs of dementia and what can be done to stave it off

The number one risk factor for Alzheimer's disease is age, far more than genetics. Because of the aging of the U.S. population, there are currently 6.7 million Americans with dementia, including Alzheimer's.

Neuroscience

When sleep disorders presage something more serious

Early one morning, while checking on a slumbering patient at the Center for Sleep Medicine, Erik St. Louis, M.D., noticed something peculiar. The patient, a woman in her early 60's, had started running beneath her bedsheets. ...

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