Alzheimer's Alzheimer's

Small pulses of electricity to the brain have an effect on memory, new research shows. Science Photo Library/SCIEPRO/Getty Images hide caption

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Science Photo Library/SCIEPRO/Getty Images

Electrical Stimulation To Boost Memory: Maybe It's All In The Timing

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A colored magnetic resonance imaging (MRI) scans of the brain of a 76-year-old patient with dementia shows the brain has atrophied and the dark brown fluid-filled spaces have become enlarged. Zephyr/Science Source hide caption

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Zephyr/Science Source

Cancer Drug That Might Slow Parkinson's, Alzheimer's Headed For Bigger Tests

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Diseased brain tissue from an Alzheimer's patient showing amyloid plaques (in blue) located in the gray matter of the brain. Dr Cecil H Fox/Science Source/Getty Images hide caption

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Dr Cecil H Fox/Science Source/Getty Images

Education may help brains cope with cognitive decline, and treatments for high blood pressure and other health problems may decrease dementia risk. Alfred Pasieka/Science Photo Library/Getty Images hide caption

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Alfred Pasieka/Science Photo Library/Getty Images

Dementia Risk Declines, And Education May Be One Reason Why

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This image is from lab-grown brain tissue — a minibrain — infected by Zika virus (white) with neural stem cells in red and neuronal nuclei in green. Courtesy of Xuyu Qian and Guo-li Ming hide caption

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Courtesy of Xuyu Qian and Guo-li Ming

'Minibrains' Could Help Drug Discovery For Zika And For Alzheimer's

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The Old Town Museum in Aarhus, Denmark has created a "House of Memories" that's an exact replica of a 1950s apartment. It's intended for Alzheimer's patients, whose memories may be triggered by the sights, sounds and smells from the period, researchers say. Courtesy of Old Town Museum hide caption

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Courtesy of Old Town Museum

Denmark's 'House Of Memories' Re-Creates 1950s For Alzheimer's Patients

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Experimental drugs that clear clumps of proteins from the brains of Alzheimer's patients haven't panned out yet. Science Photo Library/Pasieka/Getty Images hide caption

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Science Photo Library/Pasieka/Getty Images

Test Of Experimental Alzheimer's Drug Finds Progress Against Brain Plaques

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Hiroyuki Yamamoto, a crossing guard in Matsudo, Japan, has been trained in how to recognize and gently approach people who are wandering, or have other signs of dementia, in ways that won't frighten them. Ina Jaffe/NPR hide caption

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Ina Jaffe/NPR

Japanese City Takes Community Approach To Dealing With Dementia

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Parkinson's disease, smoking, certain head injuries and even normal aging can influence our sense of smell. But certain patterns of loss in the ability to identify odors seem pronounced in Alzheimer's, researchers say. CSA Images/Color Printstock Collection/Getty Images hide caption

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CSA Images/Color Printstock Collection/Getty Images

A Sniff Test For Alzheimer's Checks For The Ability To Identify Odors

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A lucky few stay healthy despite carrying genetic defects linked to serious diseases. What protects them? Leigh Wells/Getty Images/Ikon Images hide caption

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Leigh Wells/Getty Images/Ikon Images

How Do 'Genetic Superheroes' Overcome Their Bad DNA?

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Teresa Valko and her mother, Evelyn Wilson, in 2011. Courtesy of Teresa Valko hide caption

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Courtesy of Teresa Valko

Conversations Turn Into Monologues As Alzheimer's Robs Family Of Memories

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A New York study found that getting medical students together with dementia patients and their families at museums to view, discuss and create art for 90 minutes made the students better communicators. Colin Hawkins/Getty Images hide caption

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Colin Hawkins/Getty Images

Despite losing his sense of taste and smell to Alzheimer's disease, Greg O'Brien says grilling supper on the back deck with his son on a summer evening is still fun. Sam Broun/Courtesy of Greg O'Brien hide caption

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Sam Broun/Courtesy of Greg O'Brien

When Alzheimer's Steals Your Appetite, Remember To Laugh

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Giedre (left) and Tal Cohen in March 2013, while Giedre was still healthy. Since then, she's begun having symptoms of Alzheimer's disease. In Giedre's case, the illness is tied to a rare genetic mutation she inherited. Courtesy of Tal Cohen hide caption

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Courtesy of Tal Cohen

Younger Adults With Alzheimer's Are Key To Drug Search

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In this colorized image of a brain cell from a person with Alzheimer's, the red tangle in the yellow cell body is a toxic tangle of misfolded "tau" proteins, adjacent to the cell's green nucleus. Thomas Deerinck/NCMIR/Science Source hide caption

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Thomas Deerinck/NCMIR/Science Source

Alzheimer's Drugs In The Works Might Treat Other Diseases, Too

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Greg O'Brien and his wife are finding it more difficult to drive to and from their family's secluded house on Cape Cod. As they move out and move on, O'Brien has discovered a bittersweet trove of memories. Sam Broun/Courtesy of Greg O'Brien hide caption

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Sam Broun/Courtesy of Greg O'Brien

When Losing Memory Means Losing Home

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David Williams/Illustration Works/Corbis

How Your Brain Remembers Where You Parked The Car

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Russell Cobb/Getty Images/Ikon Images

Seeing What Isn't There: Inside Alzheimer's Hallucinations

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