The protein may have hitched a ride on some dirty medical equipment.
We may have been mistaken when it comes to what causes Alzheimer's disease.
Arc is the first and so far only non-viral protein known to behave this way.
A drug originally designed to treat diabetes has reversed Alzheimer's disease symptoms in lab mice.
Alzheimer's disease may start outside the brain, which could open a whole new approach to detecting and treating the condition.
A mouse study offers new clues to aging.
State assistance programs can make life bearable again for caregivers in remote areas struggling to provide around-the-clock help.
CDC study also shows that more patients suffering from this type of dementia are dying at home rather than in a care facility.
Pfizer seems to have taken note of others' stumbles in its efforts to break the failure streak of Alzheimer's drugs.
A possible vaccine would address protein buildup that blocks connections between brain nerve cells.
Most research on the neurodegenerative disease has focused on amyloid plaques, but a new study may change this.
When Reagan was faced with a harsh fate, Newsweek reported on how he handled himself with trademark charm and levity.
In a 2004 feature story for Newsweek, Nancy Reagan showed us how to mourn with dignity and grace.