A missing protein in the brain can cause behaviors that mimic autism, a new study shows.

When researchers gave mice drugs that fight brain inflammation, senile rodents showed fewer signs of cognitive decline and could better learn new things.

"Our data suggest that alcohol and Alzheimer's disease-prone genes may put humans at greater risk of Alzheimer's onset and progression."

Guests, changes in routine, and other aspects of the holidays can be hard on people with dementia and caregivers. Here are ways to make the season enjoyable for the whole family.

New treatments may result from identifying a likely culprit behind the brain build-up that ties all neurodegenerative diseases together.

"Until we can understand each component, we can't expect to take the brain apart and put it back together again in order to figure out how it works."

Exposure to cadmium could speed up cognitive impairment, but it's even worse for people with a gene key to Alzheimer's disease.

A new biosensor technology may help pave the way for using stem cells to treat neurological diseases like Alzheimer's and Parkinson's.

One woman's resistance to genetic, early-onset Alzheimer's disease may hold the key to future therapies for the neurodegenerative disease.

People with dementia who had a parent with the condition tend to develop symptoms years earlier, and even sooner if both parents had it.