Alzheimer's Research News

November 12, 2026

Top Headlines

Obesity Linked to Up to 27% Lower Risk of Death in Dementia

Nov. 11, 2026 A surprising study of more than 4,500 older adults found that people who were overweight or obese when diagnosed with dementia had a 16% to 27% lower risk of death than those at a normal weight. Researchers suspect that extra energy and muscle ...

Even Occasional Marijuana Use Linked to 40% Higher Odds of Stroke

Nov. 10, 2026 New research involving more than 440,000 Americans links cannabis use to increased cardiovascular risk, with occasional users showing 40% higher odds of reporting a history of stroke. The findings suggest that even infrequent marijuana use may ...

Why Heart Attacks Can Still Happen Even When Bad Cholesterol Is Low

Nov. 10, 2026 Even when bad cholesterol is brought down to healthy levels, some people remain at risk of heart attacks, and scientists may have discovered why. Researchers identified two types of fat-carrying particles that appear to promote inflammation and ...

Common Osteoporosis Drugs Linked to 24% Lower Dementia Risk in Major Study

Nov. 9, 2026 A massive study of more than 120,000 older adults suggests that common osteoporosis drugs may reduce the risk of Alzheimer’s disease and other dementias by up to 24%. The surprising findings raise the possibility that medications already used to ...

Drinking 2–3 Cups of Coffee a Day Linked to Dramatically Lower Dementia Risk

Nov. 7, 2026 Drinking two to three cups of caffeinated coffee daily was linked to a dramatically lower risk of dementia and better cognitive functioning in a study spanning up to 43 years. The benefits appeared ...

Scientists Discover Mysterious “Lonely” Brain Waves Linked to Memory Loss

Nov. 5, 2026 Scientists have uncovered a surprising link between Alzheimer’s-related protein buildup, disrupted brain waves during deep sleep, and fading memory. The findings suggest that hidden changes in how ...

Scientists Discover New Alzheimer’s Drug That Repairs DNA Damage and Reduces Brain Inflammation

Nov. 2, 2026 Scientists have discovered that a drug originally developed for spinal cord injuries can tackle several key features of Alzheimer’s disease, including DNA damage and inflammation. Already tested ...

Scientists Reverse Liver Cell Aging and Cut Alzheimer’s-linked Protein in Half

Nov. 2, 2026 A surprising discovery suggests that rejuvenating the liver could help protect against Alzheimer’s disease and heart disease. USC researchers found that an experimental drug restored aging liver ...

A Simple Blood Test Could Reveal Alzheimer’s Risk 10 Years Before Symptoms

Oct. 30, 2026 A major international study found that a simple blood test could help predict Alzheimer’s-related cognitive decline years before symptoms appear, with the highest-risk individuals facing a 38% ...

Low-dose Aspirin Linked to 70% Lower Dementia Risk, but There's a Catch

Oct. 25, 2026 A common, inexpensive medication could hold an unexpected clue to preventing dementia. Researchers found that older adults with a specific genetic profile had a 70% lower relative risk of dementia when taking low-dose aspirin, even though previous ...

Oct. 25, 2026 A cannabis-derived ingredient commonly found in sleep gummies may be more habit-forming than previously thought, with new research showing that repeated exposure caused tolerance and withdrawal symptoms in mice. Scientists warn that CBN may carry ...

Scientists Find a Way to Fight Alzheimer’s Brain Damage Without Removing Toxic Tau

Oct. 20, 2026 Scientists have found a promising way to protect the brain from Alzheimer’s-related damage by blocking immune cells that contribute to the destruction of neurons. In mice, the treatment preserved ...

Latest Headlines

updated 4:47am EST

Just 3,000 Steps a Day May Help Slow Alzheimer's, Scientists Find

Oct. 19, 2026 Walking just 3,000 steps a day could help slow Alzheimer’s-related brain changes, according to new research. Scientists discovered that physical activity was linked to less buildup of harmful tau ...

"Mind-Blowing" Alzheimer’s Breakthrough: Two Hours of Sleep Restored Without Clearing Brain Plaques

Oct. 19, 2026 Scientists have uncovered an unexpected culprit behind sleep loss in Alzheimer’s disease: overactive immune cells in the brain. By temporarily ...

Rare Study Reveals a Striking Divide Inside an Alzheimer’s Patient’s Brain

Oct. 15, 2026 A rare examination of an Alzheimer’s patient’s brain revealed that regions cleared of amyloid plaques had remarkably little of the harmful tau ...

Scientists May Have Overlooked a Hidden Alzheimer's Culprit for Decades

Oct. 14, 2026 For decades, scientists have focused on amyloid beta as a major culprit behind Alzheimer’s disease, spending billions of dollars developing treatments that have often delivered disappointing ...

Scientists Uncover a Hidden Map of the Brain With 539 Distinct Regions

Oct. 13, 2026 Scientists have uncovered a hidden layer of organization in the brain by creating the first detailed 3D map of its lipids, the fatty molecules essential for brain structure and communication. By ...

The Hidden Math of Alzheimer's Could Point to New Treatments

Oct. 11, 2026 Mathematics may hold unexpected clues to understanding Alzheimer’s disease. Scientists have developed a model showing how common metals like copper and zinc may influence the buildup of proteins ...

The Eye Has a Hidden Cleanup System Scientists Never Knew Existed

Oct. 11, 2026 Scientists have discovered a hidden cleanup system at the back of the eye that drains fluid and waste through a previously unknown pathway. The surprising finding, demonstrated in mice, could open ...

Alzheimer’s Risk Gene APOE4 May Have a Reversible Weakness

Oct. 1, 2026 The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in ...

Glucosamine, a Popular Joint Supplement, Linked to Faster Alzheimer’s Progression

Sep. 27, 2026 A large health-record analysis found that glucosamine use was associated with a 25% higher likelihood of mild cognitive impairment progressing to ...

Scientists Find a New Layer of Alzheimer’s Hidden in the Genome

Sep. 13, 2026 Scientists found that the 3D organization of DNA is disrupted in several types of brain cells affected by Alzheimer’s disease, altering how important genes are switched on and off. The discovery ...

Early Statin Use Linked to 15% Lower Dementia Risk

Sep. 8, 2026 Starting statins soon after a type 2 diabetes diagnosis may do more than protect the heart. In a nationwide Danish study of more than 132,000 people, those who began statin treatment within a year of ...

Alzheimer’s May Leave a Mark on the Brain Long Before Plaques Appear

Sep. 2, 2026 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 ...

Women Taking Estrogen Had Fewer Signs of Alzheimer’s in Their Brains

Aug. 14, 2026 Women who used estrogen-only hormone therapy later in life were less likely to develop dementia and showed fewer signs of Alzheimer’s disease in their brains, according to a large study of more ...

THC Medication Made PTSD Nightmares Disappear for More Than a Third of Patients

Aug. 5, 2026 A prescription form of THC helped many people with PTSD escape recurring trauma-related nightmares, with more than one-third reporting that the nightmares disappeared completely after ten weeks. The ...

Reaching 90 Without Dementia Doesn’t Mean You’re in the Clear

Sep. 1, 2026 A study of people over 90 found that dementia risk remains strongly shaped by sex, race and genetics, with women and black participants facing notably higher risks. Intriguingly, some people stayed ...

New Injectable Treatment Helps the Brain Rebuild After Stroke

Sep. 3, 2026 Duke researchers developed an injectable scaffold that helped stroke-damaged brains grow new blood vessels, support nerve regrowth, and recover movement in mice. The treatment appears to work partly ...

Alzheimer’s Breakthrough: Scientists Restore Two Hours of Sleep Without Clearing Brain Plaques

July 20, 2026 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 ...

This Yeast Supplement May Boost Cancer-Fighting Immunity

Aug. 22, 2026 A simple yeast-based food supplement may help restore the immune system’s ability to fight cancer, according to new research in mice. Scientists found that yeast beta-glucan reprogrammed early ...

New Alzheimer's Drug Repairs DNA Damage and Reduces Brain Inflammation

July 17, 2026 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, and ...

Scientists May Have Finally Found How Alzheimer's Kills Brain Cells

July 5, 2026 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. The finding could lead to ...

Scientists Reprogram Brain Immune Cells to Fight Alzheimer’s

June 19, 2026 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, ...

Copper Drug Clears Toxic Alzheimer’s Proteins and Restores Memory

June 15, 2026 A copper-based compound restored the brain’s ability to clear toxic Alzheimer’s proteins, dramatically reducing amyloid buildup and improving memory in laboratory experiments. The findings point ...

Misfolded Insulin May Be Quietly Driving Diabetes

July 28, 2026 Researchers found that insulin-producing cells depend on a team of helper proteins to keep insulin production on track. When one key partner was missing, damaged proteins built up and the cells made ...

A Little-Known Protein May Be Fueling Alzheimer’s — and Scientists Found a Way to Block It

Aug. 16, 2026 An experimental Alzheimer’s compound prevented damaging protein clumps from forming in the brains of mice, helping nerve cells survive longer and reducing amyloid buildup. The treatment also ...

A Hidden Alzheimer’s Tipping Point May Decide Who Gets Dementia

July 26, 2026 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 ...

Scientists Say Guava Juice Could Make Iron Supplements Work Better

May 27, 2026 Researchers found that drinking guava juice may significantly improve anemia by helping the body absorb iron more efficiently. In a review of 17 studies, women and teenage girls who consumed guava ...

Alzheimer's Tau Protein Has a Surprising Secret Role in Memory

July 12, 2026 Researchers found that tau is essential for turning new experiences into lasting memories by helping organize the brain's memory-storing cells. The mouse study also revealed how abnormal tau may ...

Hidden Driving Danger When Edible Cannabis and Alcohol Mix

May 29, 2026 Using cannabis edibles and alcohol together may make drivers far more impaired than either substance alone, according to new research from Johns Hopkins. Even more concerning, common field sobriety ...

Scientists Discover a Hidden Brain “cleaning” Effect Triggered by Movement

May 1, 2026 Scientists have uncovered a surprising link between simple body movement and brain health: every time you tighten your abdominal muscles—even slightly—your brain may gently sway inside your ...

Teen Cannabis Use Linked to Slower Memory and Thinking Growth

Aug. 7, 2026 Teens who start using cannabis may experience slower growth in memory, attention, language, and processing speed. Their abilities often developed normally at first, then began leveling off while ...