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The test uses levels of plasma amyloid-β to estimate the buildup of protein plaques in the brain.

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image: Do Microbes Trigger Alzheimer’s Disease?

Do Microbes Trigger Alzheimer’s Disease?

By Jill U. Adams | September 1, 2017

The once fringe idea is gaining traction among the scientific community.


Emerging evidence links bacterial or viral infection with the neuropathology of Alzheimer’s disease.


image: Amyloid Designed to Inactivate Cancer-Related Protein

Amyloid Designed to Inactivate Cancer-Related Protein

By Kerry Grens | November 14, 2016

Researchers build a peptide that causes a receptor to form toxic, amyloid-like clumps in cells.


image: Amyloid Thwarts Microbial Invaders

Amyloid Thwarts Microbial Invaders

By Anna Azvolinsky | May 25, 2016

Alzheimer’s disease–associated amyloid-β peptides trap microbes in the brains of mice and in the guts of nematodes, a study shows. 

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image: Eyes, Nose as Windows to Alzheimer’s

Eyes, Nose as Windows to Alzheimer’s

By Kerry Grens | July 14, 2014

Failing a sniff test or screening positive on an eye exam may predict people’s chances of developing the neurodegenerative disorder.


image: Brain-Washing During Sleep

Brain-Washing During Sleep

By Kerry Grens | October 18, 2013

Rest clears out interstitial clutter in the mouse brain.


image: Tau Ligand Reveals Tangles In Vivo

Tau Ligand Reveals Tangles In Vivo

By Kerry Grens | September 18, 2013

In living humans, researchers image snarls of tau, one of the proteins associated with Alzheimer's disease.


image: Brain Activity Breaks DNA

Brain Activity Breaks DNA

By Sabrina Richards | March 24, 2013

Researchers find that temporary double-stranded DNA breaks commonly result from normal neuron activation—but expression of an Alzheimer’s-linked protein increases the damage.


image: Corrupted Proteins Spread Disease

Corrupted Proteins Spread Disease

By Ed Yong | June 18, 2012

A protein fragment involved in Alzheimer’s can seed new clusters throughout the brain, pointing to prion-like qualities of the disease.


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