The brains of people with the memory-robbing form of dementia are cluttered with a plaque.
An experimental vaccine is showing promise against Alzheimer's disease in mice, reducing brain deposits that are blamed for the disorder.
The surprising discovery of bones heralded as a new, hobbit-like human species may turn out to have simply been the remains of a human suffering from a genetic illness
Lesbians' brains react differently to sex hormones than those of heterosexual women, new research indicates.
Americans between the ages of 18 and 24 fared even worse with foreign locations: six in 10 couldn't find Iraq, according to a Roper poll.
For 2,000 years Judas has been reviled for betraying Jesus. Now a newly translated ancient document seeks to tell his side of the story.
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