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.
Groundbreaking innovations from the last year that will change our world—and hopefully save it.
Brain cells with an age signature could help doctors understand Alzheimer's and Parkinson's diseases.