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In a medical emergency, call 911. More numbers, and what each line does, on the help page.

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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 (335 of 388). 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 (15 of 388). 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” (38 of 388). 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. 278 of 388 items have one.

Scientists restore a brain protein and reverse signs of aging in mice

ScienceDaily Research

Scientists found that declining levels of the brain protein Menin may help drive aging, with lower levels in mice linked to inflammation, cognitive decline, weaker bones, and thinner skin. …

Read at ScienceDaily → Archived copy (1 Oct 2026), Internet Archive

Alzheimer’s may leave a mark on the brain long before plaques appear

ScienceDaily Diagnosis

Brain changes associated with Alzheimer’s may begin at least seven years before amyloid plaques become detectable with current PET scans. Researchers uncovered the signal by tracking healthy older adults with repeated brain imaging over nearly 20 years. …

Read at ScienceDaily → Archived copy (16 Sep 2026), Internet Archive

A major Alzheimer’s risk gene may shrink brain cells years before symptoms

ScienceDaily Research

Researchers have uncovered a possible reason why the Alzheimer’s risk gene APOE4 can disrupt the brain long before memory problems begin. In mice, APOE4 increased a protein called Nell2, shrinking neurons and making memory circuits unusually active. …

Read at ScienceDaily → Archived copy (1 Oct 2026), Internet Archive

Scientists discover a hidden brain shift that begins around age 50

ScienceDaily Research

Beginning around age 50, the brain’s memory center appears to lose many of its longtime immune cells and replace them with more inflammatory ones. This surprising shift may help explain how normal aging sets the stage for Alzheimer’s disease and dementia.

Read at ScienceDaily → Archived copy (27 Sep 2026), Internet Archive

A hidden Alzheimer’s tipping point may decide who gets dementia

ScienceDaily Research

Scientists have identified a possible tipping point that helps determine whether Alzheimer’s-related brain changes lead to dementia. The key may lie in how the brain’s immune cells respond to plaques and tau…

Read at ScienceDaily → Archived copy (22 Sep 2026), Internet Archive

APOE2 may protect the brain from Alzheimer’s and aging

ScienceDaily Research

The longevity-linked APOE2 gene appears to protect brain cells by reducing DNA damage and helping neurons recover from stress. The finding could open a new path toward treatments that mimic APOE2’s defenses in people at higher genetic risk for Alzheimer’s.

Read at ScienceDaily → Archived copy (25 Jul 2026), Internet Archive

Alzheimer’s breakthrough: Scientists restore two hours of sleep without clearing brain plaques

ScienceDaily Research

Researchers have uncovered a surprising culprit behind sleep loss in Alzheimer’s disease: the brain’s own immune cells. In mice with amyloid plaques, overactive microglia triggered inflammation that kept the brain from getting enough deep, restorative sleep. …

Read at ScienceDaily → Archived copy (22 Sep 2026), Internet Archive

Scientists discover a protein that protects the brain from Alzheimer’s damage

ScienceDaily Research

A protein called SORLA may act as a powerful defense against the toxic tau tangles involved in Alzheimer’s disease. Mice with extra SORLA had less tau accumulation, less brain atrophy…

Read at ScienceDaily → Archived copy (2 Oct 2026), Internet Archive

New Alzheimer's drug repairs DNA damage and reduces brain inflammation

ScienceDaily Research

A drug originally developed for spinal cord injury may offer a fresh approach to treating Alzheimer’s disease. In mouse studies, KCL-286 repaired dangerous DNA damage, reduced inflammation…

Read at ScienceDaily → Archived copy (17 Jul 2026), Internet Archive

The hidden skeleton “gatekeeper” inside brain cells could help fight Alzheimer's

ScienceDaily Research

Researchers have discovered that a microscopic skeleton inside neurons does much more than hold cells together. It acts as a gatekeeper that controls what brain cells absorb and when they absorb it. …

Read at ScienceDaily → Archived copy (15 Jul 2026), Internet Archive

Alzheimer's tau protein has a surprising secret role in memory

ScienceDaily Research

Researchers found that tau is essential for turning new experiences into lasting memories by helping organize the brain's memory-storing cells. …

Read at ScienceDaily →

Scientists may have finally found how Alzheimer's kills brain cells

ScienceDaily Research

Researchers have identified a previously overlooked mechanism of brain cell death that appears to play a major role in Alzheimer's disease and frontotemporal dementia. …

Read at ScienceDaily → Archived copy (23 Sep 2026), Internet Archive

Scientists may have finally found how Alzheimer's spreads through the brain

ScienceDaily Research

A common brain protein may be giving Alzheimer’s disease an unexpected way to spread, carrying toxic Tau proteins from damaged neurons into healthy ones. …

Cited in this article, summarized in alzhub's library:
Read at ScienceDaily → Archived copy (30 Jun 2026), Internet Archive

Scientists reprogram brain immune cells to fight Alzheimer’s

ScienceDaily Research

A newly identified molecule called OLE helped restore the brain’s immune cells to a more protective state in Alzheimer’s models. The treatment reduced toxic plaque buildup and improved memory, raising hopes for a new therapeutic approach.

Read at ScienceDaily →

Scientists May Have Found What Really Triggers Alzheimer’s Disease

ScienceDaily Research

Scientists may have uncovered a hidden trigger behind Alzheimer’s disease. Instead of plaques being the root cause, amyloid beta appears to interfere with tau, a protein that helps keep neurons functioning properly. …

Read at ScienceDaily → Archived copy (19 Sep 2026), Internet Archive

Scientists discover a surprising cancer link to Alzheimer’s disease

ScienceDaily Research

Researchers discovered that mutations linked to blood cancers may help trigger Alzheimer’s disease by creating overly inflammatory immune cells in the brain. …

Read at ScienceDaily → Archived copy (22 Sep 2026), Internet Archive

Scientists found a new Alzheimer’s trigger and a drug that stops it

ScienceDaily Research

Researchers have identified a new Alzheimer’s target and created an experimental compound that blocks a damaging process inside brain cells. In mice, the treatment slowed nerve cell loss, reduced Alzheimer’s-related changes, and even appeared to promote healthier aging.

Read at ScienceDaily → Archived copy (23 Sep 2026), Internet Archive

Scientists found the hidden switch fueling alzheimer’s brain inflammation

ScienceDaily Research

Scientists at Scripps Research have uncovered a molecular “switch” that appears to fuel the damaging brain inflammation seen in Alzheimer’s disease. …

Read at ScienceDaily → Archived copy (27 Sep 2026), Internet Archive

CBD may slow Alzheimer’s by calming the brain’s immune system

ScienceDaily

CBD may be doing far more than just easing pain or anxiety — new research suggests it could help fight Alzheimer’s disease by calming the brain’s runaway immune response. …

Read at ScienceDaily → Archived copy (13 Sep 2026), Internet Archive

Scientists found a hidden Alzheimer’s trigger and shut it down

ScienceDaily Research

A newly identified enzyme called IDOL could become a major new target in the fight against Alzheimer’s disease. Researchers found that removing it from neurons sharply reduced amyloid plaques and improved key brain processes linked to resilience and communication between cells. …

Read at ScienceDaily → Archived copy (23 Sep 2026), Internet Archive

Scientists reverse Alzheimer’s in mice with breakthrough nanotechnology

ScienceDaily Research

A new nanotechnology treatment reversed Alzheimer’s symptoms in mice by restoring the brain’s natural cleanup system. The specially engineered nanoparticles helped clear toxic amyloid proteins from the brain and repair the blood-brain barrier…

Read at ScienceDaily → Archived copy (3 Sep 2026), Internet Archive

Boosting one protein helps the brain fight Alzheimer’s

ScienceDaily Research

Scientists have discovered a way to help the brain clean itself of harmful Alzheimer’s plaques by activating its own support cells. By increasing a protein called Sox9, researchers were able to boost the activity of astrocytes, star shaped cells that help maintain brain health. …

Read at ScienceDaily → Archived copy (2 May 2026), Internet Archive

Scientists restore memory by blocking a single Alzheimer’s protein

ScienceDaily Research

Researchers have identified a new potential weapon against Alzheimer’s: blocking a protein called PTP1B. In mice, this approach boosted memory and helped brain immune cells clear harmful plaque buildup. …

Read at ScienceDaily → Archived copy (23 Sep 2026), Internet Archive

Scientists discover Alzheimer’s hidden “death switch” in the brain

ScienceDaily Research

Scientists have uncovered a hidden “death switch” in the brain that may be driving Alzheimer’s disease—and even found a way to turn it off in mice. The culprit is a toxic pairing of two proteins that, when combined, triggers the destruction of brain cells and fuels memory loss. …

Read at ScienceDaily → Archived copy (26 Sep 2026), Internet Archive

Scientists turn brain cells into Alzheimer’s plaque cleaners

ScienceDaily Research

Scientists have developed a promising new approach to treating Alzheimer’s disease by turning ordinary brain cells into powerful plaque-clearing machines. …

Read at ScienceDaily → Archived copy (29 Sep 2026), Internet Archive

Scientists discover brain switches that clear Alzheimer’s plaques

ScienceDaily Research

Researchers have identified two brain receptors that help the brain clear away amyloid beta, a hallmark of Alzheimer’s disease. By stimulating these receptors in mice, scientists increased levels of a natural amyloid-breaking enzyme, reduced buildup in the brain…

Read at ScienceDaily → Archived copy (8 Oct 2026), Internet Archive

Obesity and aging: Study links inflammation to cognitive decline

Medical Xpress Research

Obesity and older age are strongly associated with low-grade inflammation in the body, a condition that appears closely linked to cognitive decline and dementia. …

Why it matters: Obesity and older age are linked to low-grade inflammation, which appears closely connected to cognitive decline and dementia.

Read at Medical Xpress → Archived copy (7 Mar 2026), Internet Archive

Brain 'hazmat' protein cleans up tau: Could it prevent dementia?

Medical Xpress Research

Researchers at UC San Francisco have identified a hazardous waste collector in the brain that disposes of the toxic clumps of tau protein that can lead to dementia. Neurons with more of this garbage collector, technically known as CUL5, are less vulnerable to Alzheimer's disease.

Why it matters: UC San Francisco researchers found that neurons with more CUL5, a brain waste collector, are less vulnerable to Alzheimer's disease.

Cited in this article, summarized in alzhub's library:
Read at Medical Xpress → Archived copy (26 Feb 2026), Internet Archive

Alzheimer’s may trick the brain into erasing its own memories

ScienceDaily Research

Alzheimer’s may destroy memory by flipping a single molecular switch that tells neurons to prune their own connections. Researchers found that both amyloid beta and inflammation converge on the same receptor, triggering synapse loss. …

Read at ScienceDaily → Archived copy (26 Jan 2026), Internet Archive

Scientists find ‘master regulator’ that could reverse brain aging

ScienceDaily Research

Researchers have identified OTULIN, an immune-regulating enzyme, as a key trigger of tau buildup in the brain. When OTULIN was disabled, tau vanished from neurons and brain cells remained healthy. …

Read at ScienceDaily →