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Free to read, “May need a subscription” and “Archived copy”: what they mean

Whether an article is free to read is a guess, not a test of your access. Each item is one of three:

  • No label: free to read (303 of 347). The publisher’s page marks it free, or the outlet publishes free to read: Medical Xpress, ScienceDaily, NIH (incl. NIA and PMC), Alzheimer's Association, Alzheimer's News Today, NPR, Alzheimer's Disease International, or a .gov site.
  • May need a subscription (11 of 347). The publisher’s own page marks the article as not free to read, or — when the page says nothing — the outlet sells subscriptions: The New York Times, STAT, Scientific American, The Washington Post, The Wall Street Journal, Financial Times, The Economist, Bloomberg, The Atlantic, The New Yorker, Wired, Los Angeles Times, The Boston Globe, The Times, The Telegraph, New Scientist, Endpoints News, Science. Each badge says which.
  • “Free to read? Not known” (33 of 347). The outlet is on neither list and its page said nothing. We do not call these paywalled.

Archived copy links go to a copy the Internet Archive (web.archive.org) saved, dated the day it was saved. We show one only where the Internet Archive reported a working saved copy when we checked; an archived copy of a subscription article sometimes shows only its opening. 265 of 347 items have one.

Cholesterol transport protein emerges as possible target for Parkinson's treatment

Medical Xpress

Parkinson's disease (PD) is a neurodegenerative condition that causes the progressive loss of dopamine-producing neurons in a brain region called the substantia nigra. Its characteristic symptoms include tremors, slowed movements, rigid muscles and difficulties with balance.

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Enhancing the cell's natural recycling center improves Alzheimer's features in animal models

Medical Xpress

A defining feature of Alzheimer's disease is the abnormal, sustained accumulation of protein aggregates such as tau inside brain cells, which disrupts the cells' normal functions. …

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Medicare spending rises after private equity buys hospices

Medical Xpress Policy

A study of for-profit hospices acquired by private equity firms found that Medicare spending rose by 5.9% per hospice stay after acquisition, compared with similar for-profit hospices that weren't acquired. …

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New dementia risk tool designed for the countries that need it most

Medical Xpress

An international team led by Northumbria University has developed and validated a simple five-factor risk score to identify older people at elevated risk of dementia in low- and middle-income countries (LMICs)—where around 60% of the world's dementia cases now occur.

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Researchers identify connection between pulmonary hypertension and cognitive impairment

Medical Xpress Research

University of Pittsburgh and UPMC researcher-clinicians have uncovered why many pulmonary hypertension patients report symptoms of cognitive decline.

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Large-scale genetic study on Alzheimer's identifies new DNA risks

Medical Xpress Research

A large-scale international study offers new insights for understanding Alzheimer's disease and developing future treatments. The University of Exeter–led PROTECT study was part of the research, led by Vrije Universiteit Amsterdam and published in Nature…

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Nearly 75% of former NFL players who died between 2008 and 2023 had CTE, analysis estimates

Medical Xpress Research

A new study led by Boston University researchers estimates that nearly 75% of all NFL players who died between 2008 and 2023 had chronic traumatic encephalopathy (CTE) neuropathology. …

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Faster brain tau buildup linked to faster progression of rare neurological disease

Medical Xpress Research

A team of researchers from the National Institutes for Quantum Science and Technology (QST) has shown that the speed at which abnormal tau protein accumulates in the brains of people with progressive supranuclear palsy (PSP) is closely linked to how quickly their symptoms…

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Nurse-led program shown to improve midlife dementia risk profiles in new study

Medical Xpress Research

New research led by Monash University shows a multi-domain dementia risk reduction program delivered by general practice nurses can improve estimated dementia profiles in middle-aged adults, offering a practical new model for proactive brain health.

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Added antibody step improves the reliability of Alzheimer's blood tests

Medical Xpress Diagnosis

Researchers at University Medicine Halle have developed a new method that could improve the reliability of blood tests for Alzheimer's disease. Current commercial tests often rely on the protein biomarker p-tau217, whose levels can rise in the early stages of the disease. …

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Wireless neural chip tracks brain changes in real time after Alzheimer's drug administration

Medical Xpress

A joint research team led by KAIST has used a small, implantable neural chip to wirelessly monitor real-time changes in a neurotransmitter involved in memory and learning after an Alzheimer's drug has been administered. …

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Treatment revives old liver cells in lab study, may help prevent Alzheimer's and heart disease

Medical Xpress Research

The liver's job of clearing harmful substances from the body is so essential that the organ may have implications for addressing unexpected diseases, including Alzheimer's and heart disease. …

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More education reduces dementia risk decades later

Medical Xpress Diagnosis

A law that required British teenagers to stay in school for an additional year had an unexpected consequence nearly 50 years later: fewer dementia diagnoses.

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Dehydration, UTIs and cognitive health: Getting enough to drink is complicated for people with brain disorders

Medical Xpress

For older adults with dementia or Parkinson's disease, staying hydrated can be more complicated than simply drinking more water.

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Open-source software standardizes tau PET image analysis for neurodegenerative disease research

Medical Xpress

In neurodegenerative disorders, including Alzheimer's disease and progressive supranuclear palsy, abnormal accumulation of tau protein occurs in the brain. …

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Tuberculosis vaccine's link to reduced dementia risk gains mechanistic support

Medical Xpress Research

Bacillus Calmette-Guerin (BCG), a vaccine widely used to prevent tuberculosis and treat bladder cancer, may also have properties that reduce the risk for dementia, according to new findings in a study of mice. …

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Alzheimer-related changes in the brain may affect prognosis in ALS

Medical Xpress

Amyotrophic lateral sclerosis (ALS) is a serious neurodegenerative disease in which the nerve cells that control the body's muscles break down. The course of the disease varies greatly. While some patients deteriorate rapidly, others live considerably longer with the disease. …

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More daily steps over a long period linked to better attention and decision-making

Medical Xpress

Walking a few extra steps can help your cognitive health go the extra mile. Physical activity has time and again proven its benefits for both mind and body. …

Read at Medical Xpress → Archived copy (23 Oct 2026), Internet Archive

Experimental treatment selectively reduces harmful protein in lab models of rare inherited brain disorder

Medical Xpress Research

Researchers from DZNE and the Hertie Institute for Clinical Brain Research (HIH) at the University of Tübingen, together with experts from Bonn, London and Portugal…

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Mouse study reveals molecular link between high-fat diets and impaired brain function

Medical Xpress Research

The molecular mechanisms linking a high-calorie diet to cognitive impairment remain unclear. Researchers at the Institute of Science Tokyo, Japan, investigated this association in mice…

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Scottish public will help to shape the future of dementia research

Medical Xpress Research

In a first-of-its-kind study, researchers have asked people from across Scotland what questions they want scientists to answer about dementia and brain health, in the hope of driving forward better and more meaningful research in the future.

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New microscopy technology may help detect neurological diseases before neurons die

Medical Xpress Diagnosis

Scientists studying amyotrophic lateral sclerosis (ALS), Parkinson's, Alzheimer's and other neurological diseases are getting unprecedented views inside brain cells, using powerful new microscopes to uncover changes that may begin long before neurons die. …

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Two-step blood-test approach helps clarify uncertain brain amyloid status

Medical Xpress Diagnosis

Blood-based biomarkers (BBMs) are blood tests that can detect Alzheimer's disease (AD) brain changes earlier, more cheaply and more easily than traditional methods such as Aβ-PET scans, which are expensive and have limited accessibility. …

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Search for Alzheimer's drug unexpectedly finds possible biomarker

Medical Xpress Diagnosis

Researchers developed a drug for Alzheimer's disease and then discovered that the molecule already exists in human blood and is found at lower levels in cognitively impaired people. Now the authors are exploring the peptide as a biomarker as well as a treatment.

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Fitness tracker data could offer clues about future brain health

Medical Xpress Diagnosis

Adults who averaged fewer than 5,000 steps a day were later diagnosed with dementia, Parkinson's disease or stroke at almost twice the rate of those averaging more than 12,000 steps…

Read at Medical Xpress → Archived copy (23 Oct 2026), Internet Archive

Low daily step counts linked to dementia, Parkinson's and stroke

Medical Xpress Research

Your fitness tracker may reveal more than your daily step count. It could also offer clues about your future brain health. Researchers analyzed a year's worth of Fitbit data from more than 22,000 adults, ages 40 and older…

Read at Medical Xpress → Archived copy (23 Oct 2026), Internet Archive

Immature brain support cells may be linked to human age-related cognitive decline

Medical Xpress Research

A new USC-led study links abnormal immature astroglia, star-shaped cells that support brain function, to lower fluid intelligence, or the ability to solve new problems, in older adults with epilepsy. …

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Greenspace in the immediate surroundings of the home linked to lower dementia risk

Medical Xpress Research

Urban residents with more greenery within 100 meters (328 feet) of their homes have a 20% lower risk of developing dementia over time, according to a new study from Stockholm University and Karolinska Institute that followed nearly 3,000 older adults for 16 years. …

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Proposed computer framework could connect Alzheimer's data to guide personalized care

Medical Xpress

Alzheimer's disease may not be a single, uniform condition, but a complex disorder shaped by different combinations of cognitive symptoms, brain changes, biology, genetics and risk factors. …

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Common cold sore virus may reprogram the brain's immune defenses

Medical Xpress Research

Researchers at the University of Colorado Anschutz have discovered how herpes simplex virus type 1 (HSV-1), the virus that causes cold sores, can fundamentally change how the brain's immune cells respond to infection…

Read at Medical Xpress → Archived copy (23 Oct 2026), Internet Archive