Alzheimer's Research News

January 17, 2026

Top Headlines

Massive Brain Study Reveals Why Memory Loss Can Suddenly Speed Up with Age

Jan. 14, 2026 A massive international brain study has revealed that memory decline with age isn’t driven by a single brain region or gene, but by widespread structural changes across the brain that build up over time. Analyzing thousands of MRI scans and memory ...

A Hidden Brain Signal May Reveal Alzheimer’s Long Before Diagnosis

Jan. 12, 2026 Researchers have discovered a brain activity pattern that can predict which people with mild cognitive impairment are likely to develop Alzheimer’s disease. Using a noninvasive brain scanning technique and a custom analysis tool, they detected ...

Scientists Uncover a Hidden Aging Program in the Gut That Fuels Cancer Risk

Jan. 10, 2026 Although the gut renews itself constantly, its stem cells accumulate age-related molecular changes that quietly alter how genes are switched on and off. Scientists found that this “epigenetic drift” follows a clear pattern and appears in both ...

A Weak Body Clock May Be an Early Warning for Dementia

Jan. 3, 2026 Your daily rhythm may matter more for brain health than previously thought. Older adults with weaker, more disrupted activity patterns were far more likely to develop dementia than those with steady routines. A later daily energy peak was also ...

What Cannabis Really Does for Chronic Pain

Dec. 30, 2025 Cannabis products with higher THC levels may slightly reduce chronic pain, particularly nerve pain, according to a review of multiple clinical trials. The improvement was small and short-lived, while side effects were more common. Products with ...

A New Drug Could Stop Alzheimer’s Before Memory Loss Begins

Dec. 22, 2025 New research suggests Alzheimer’s may start far earlier than previously thought, driven by a hidden toxic protein in the brain. Scientists found that an experimental drug, NU-9, blocks this early damage in mice and reduces inflammation linked to ...

Study Links Full-fat Cheese to Lower Dementia Risk

Dec. 21, 2025 Eating full-fat cheese and cream may be associated with a lower risk of dementia, according to a large study that tracked people for more than 25 years. Those who consumed higher amounts of these foods developed dementia less often than those who ...

Blood Tests Reveal Obesity Rapidly Accelerates Alzheimer’s Progression

Dec. 10, 2025 Obesity accelerates the rise of Alzheimer’s-related blood biomarkers far more rapidly than previously recognized. Long-term imaging and plasma data show that obese individuals experience much faster increases in proteins linked to ...

Single Enzyme Mutation Reveals a Hidden Trigger in Dementia

Dec. 9, 2025 Researchers discovered that a tiny structural feature of the enzyme GPX4 helps keep neurons safe. A rare mutation removes this protection, allowing harmful molecules to damage cell membranes and trigger early dementia. Mouse and cell studies showed ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective effect held steady across multiple analyses and was ...

Your Body May Already Have a Molecule That Helps Fight Alzheimer’s

Nov. 27, 2025 Spermine, a small but powerful molecule in the body, helps neutralize harmful protein accumulations linked to Alzheimer’s and Parkinson’s. It encourages these misfolded proteins to gather into manageable clumps that cells can more efficiently ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver strain and elevated neurofilament light chain, a ...

Latest Headlines

updated 11:24am EST

Study Shows Young Blood Can Slow Alzheimer’s in Mice

Jan. 10, 2026 New research shows that aging blood can accelerate Alzheimer’s-like changes in the brain, while younger blood may offer protection. In mouse experiments, older blood worsened memory performance and ...

A Hidden Brain Problem May Be an Early Warning for Alzheimer’s

Jan. 3, 2026 Researchers discovered that clogged brain “drains” show up early in people at risk of Alzheimer’s disease. These blockages, easily seen on standard MRI scans, are tied to toxic protein buildup ...

Cannabis Compounds Show Unexpected Power Against Ovarian Cancer

Dec. 15, 2025 Scientists have discovered that key compounds from cannabis—CBD and THC—show surprisingly strong effects against ovarian cancer cells. Used together, they slow cell growth, reduce colony ...

Boosting One Protein Helps the Brain Protect Itself from Alzheimer’s

Nov. 23, 2025 Researchers discovered that raising the protein Sox9 can help the brain’s astrocytes clear out toxic plaque buildup linked to Alzheimer’s. In mouse models that already showed memory problems, ...

Simple Amino Acid Supplement Greatly Reduces Alzheimer’s Damage

Nov. 21, 2025 Researchers discovered that the common amino acid arginine can block harmful Aβ aggregation and reduce its toxic effects in Alzheimer’s disease models. In flies and mice, oral arginine lowered ...

Simple Molecule Shows Remarkable Alzheimer’s Reversal in Rats

Nov. 19, 2025 Scientists have developed a new molecule that breaks down beta-amyloid plaques by binding to excess copper in the brain. The treatment restored memory and reduced inflammation in rats, while also ...

Clearing Brain Plaques Isn’t Enough to Heal Alzheimer’s

Nov. 11, 2025 Japanese researchers found that lecanemab, an amyloid-clearing drug for Alzheimer’s, does not improve the brain’s waste clearance system in the short term. This implies that nerve damage and ...

Scientists Find Hidden Brain Source That Fuels Dementia

Nov. 6, 2025 Weill Cornell researchers uncovered how free radicals from astrocyte mitochondria can fuel dementia. Using new compounds that target these radicals at their source, they slowed brain inflammation and ...

Scientists May Have Found How to Reverse Memory Loss in Aging Brains

Nov. 5, 2025 Virginia Tech researchers have shown that memory loss in aging may be reversible. Using CRISPR tools, they corrected molecular disruptions in the hippocampus and amygdala, restoring memory in older ...

Walking May Be the Brain’s Best Defense Against Alzheimer’s

Nov. 4, 2025 Walking a few thousand steps daily may help hold off Alzheimer’s for years, a Mass General Brigham study found. Even moderate physical activity slowed both cognitive decline and the buildup of ...

Alzheimer’s Might Be Powered by a Broken Sleep-Wake Cycle

Nov. 3, 2025 Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are ...

This New Iron Supplement Heals Anemia Without Hurting Your Gut

Oct. 20, 2025 Researchers have created a new iron supplement that merges iron, probiotics, and prebiotics. This “three-in-one” formula restores iron levels while maintaining gut health and preventing ...

Scientists Reverse Alzheimer’s in Mice With Groundbreaking Nanotech

Oct. 29, 2025 Researchers used supramolecular nanoparticles to repair the brain’s vascular system and reverse Alzheimer’s in mice. Instead of carrying drugs, the nanoparticles themselves triggered natural ...

Nearly Half of Drivers Killed in Crashes Had THC in Their Blood

Oct. 5, 2025 Over 40% of fatal crash victims had THC levels far above legal limits, showing cannabis use before driving remains widespread. The rate didn’t drop after legalization, suggesting policy changes ...

Fat May Secretly Fuel Alzheimer’s, New Research Finds

Oct. 3, 2025 New research from Houston Methodist reveals how obesity may directly drive Alzheimer’s disease. Scientists discovered that tiny messengers released by fat tissue, called extracellular vesicles, can ...

A Toxic Alzheimer’s Protein Could Be the Key to Fighting Cancer

Oct. 10, 2025 A surprising link between Alzheimer’s and cancer reveals that amyloid beta, a harmful protein in the brain, actually empowers the immune system. It strengthens T-cells’ energy production, helping ...

Think Light Drinking Protects Your Brain? Think Again

Oct. 4, 2025 A massive new study combining observational and genetic data overturns the long-held belief that light drinking protects the brain. Researchers found that dementia risk rises in direct proportion to ...

Hidden Alzheimer’s Warning Signs Found in Parkinson’s Patients Without Dementia

Sep. 28, 2025 Researchers in Japan discovered that Parkinson’s patients diagnosed in their 80s are far more likely to show signs of amyloid buildup, a hallmark of Alzheimer’s, even without dementia symptoms. ...

Brain Fat, Not Just Plaques, May Be the Hidden Driver of Alzheimer’s

Sep. 24, 2025 For decades, scientists believed Alzheimer’s was driven mainly by sticky protein plaques and tangles in the brain. Now Purdue researchers have revealed a hidden culprit: fat. They found that brain ...

Supercharged Vitamin K Could Help the Brain Heal Itself

Oct. 14, 2025 Researchers have synthesized enhanced vitamin K analogues that outperform natural vitamin K in promoting neuron growth. The new compounds, which combine vitamin K with retinoic acid, activate the ...

Sleepless Nights May Raise Dementia Risk by 40%, Mayo Clinic Reveals

Sep. 14, 2025 Chronic insomnia may do more than leave you groggy, it could speed up brain aging. A large Mayo Clinic study found that people with long-term sleep troubles were 40% more likely to develop dementia ...

Simple Blood Test Could Spot Alzheimer’s Years Before Symptoms

Sep. 9, 2025 Scientists discovered that certain blood proteins linked to brain injury and inflammation strongly correlate with early signs of memory and cognitive decline, especially in Hispanic and Latino ...

A 3-Minute Brainwave Test Could Spot Alzheimer’s Years Before Symptoms

Sep. 4, 2025 Scientists at the University of Bath have developed a simple three-minute brainwave test called Fastball EEG that can detect memory problems years before Alzheimer’s is typically diagnosed. Unlike ...

Common Heart Drug Taken by Millions Found Useless, Possibly Risky

Aug. 31, 2025 Beta blockers, used for decades after heart attacks, provide no benefit for patients with preserved heart function, according to the REBOOT trial. The massive study also found women faced higher ...

Cannabis for Coping? Why It May Trigger Paranoia

Aug. 28, 2025 Using cannabis to self-medicate comes with hidden dangers—new research shows these users face higher paranoia and consume more THC. Childhood trauma further amplifies the risks, especially ...

Stronger Weed, Higher Risk? Potent THC Linked to Psychosis and Addiction

Sep. 2, 2025 A sweeping review of nearly 100 studies has raised concerns about the mental health impacts of high-potency cannabis products. Researchers found strong links to psychosis, schizophrenia, and cannabis ...

Tiny Protein Dismantles the Toxic Clumps Behind Alzheimer’s

Aug. 23, 2025 St. Jude researchers revealed that midkine blocks amyloid beta from forming harmful clumps linked to Alzheimer’s. Without it, the damaging assemblies accelerate, but with it, growth halts. The ...

How Cats With Dementia Could Help Crack the Alzheimer’s Puzzle

Aug. 14, 2025 Cats can naturally develop dementia with brain changes strikingly similar to Alzheimer’s disease in humans, including toxic amyloid-beta buildup and loss of synapses. A new study shows these ...

The Hidden Mental Health Danger in Today’s High-THC Cannabis

Aug. 12, 2025 THC levels in cannabis have soared in recent years, raising the risk of psychosis—especially in young, frequent users. Studies reveal a strong connection between cannabis-induced psychosis and ...

Scientists Reversed Memory Loss by Powering the Brain’s Tiny Engines

Aug. 12, 2025 Scientists have discovered a direct cause-and-effect link between faulty mitochondria and the memory loss seen in neurodegenerative diseases. By creating a novel tool to boost mitochondrial activity ...