Neuroscience News

February 28, 2026

Top Headlines

Alzheimer’s May Begin with a Silent Drop in Brain Blood Flow

Feb. 24, 2026 Subtle changes in brain blood flow and oxygen use are closely linked to hallmark signs of Alzheimer’s, including amyloid plaques and memory-related brain shrinkage. Simple, noninvasive scans may one day help spot risk earlier—by looking at the ...

Simple Blood Test Can Forecast Alzheimer’s Years Before Memory Loss

Feb. 23, 2026 Scientists have created a blood test that can estimate when Alzheimer’s symptoms are likely to begin. By measuring a protein called p-tau217, the model predicts symptom onset within roughly three to four years. The protein mirrors the silent ...

Common Pneumonia Bacterium May Fuel Alzheimer’s Disease

Feb. 21, 2026 A common bacterium best known for causing pneumonia and sinus infections may also play a surprising role in Alzheimer’s disease. Researchers found that Chlamydia pneumoniae can invade the retina and brain, where it sparks inflammation, nerve cell ...

Scientists Reveal How Exercise Protects the Brain from Alzheimer’s

Feb. 20, 2026 Exercise may sharpen the mind by repairing the brain’s protective shield. Researchers found that physical activity prompts the liver to release an enzyme that removes a harmful protein causing the blood-brain barrier to become leaky with age. In ...

Doctors Implant Dopamine-producing Stem Cells in Parkinson’s Patients

Feb. 20, 2026 A groundbreaking clinical trial is testing whether specially engineered stem cells can help the brain restore its own dopamine production in people with Parkinson’s disease. Because the condition is driven by the gradual loss of dopamine-producing ...

Viagra and Shingles Vaccine Show Surprising Promise Against Alzheimer’s

Feb. 18, 2026 A major new study has spotlighted three familiar medicines that could take on an unexpected new role in the fight against Alzheimer’s disease — with a shingles vaccine emerging as the front-runner. After reviewing 80 existing drugs, an ...

One in Three People Carry This Brain Parasite but the Body Has a Kill Switch

Feb. 16, 2026 A parasite that may already be hiding in your brain has a shocking survival trick: it can infect the very immune cells sent to destroy it. Yet most people never get sick, and new research from UVA ...

AI Uncovers the Hidden Genetic Control Centers Driving Alzheimer’s

Feb. 15, 2026 Scientists have created the most detailed maps yet of how genes control one another inside the brains of people with Alzheimer’s disease. Using a powerful new AI-based system called SIGNET, the team uncovered cause-and-effect relationships between ...

Scientists Discover Hidden Brain Cells That Help Heal Spinal Cord Injuries

Feb. 13, 2026 Scientists at Cedars-Sinai have uncovered a surprising repair system in the spinal cord that could open new doors for treating paralysis, stroke, and diseases like multiple sclerosis. They found that special support cells called astrocytes—located ...

Scientists Discover Protein That Rejuvenates Aging Brain Cells

Feb. 12, 2026 A newly identified protein may hold the key to rejuvenating aging brain cells. Researchers found that boosting DMTF1 can restore the ability of neural stem cells to regenerate, even when age-related damage has set in. Without it, these cells ...

Just 5 Weeks of Brain Training May Protect Against Dementia for 20 Years

Feb. 11, 2026 A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, those who completed five to six weeks of adaptive ...

AI Reads Brain MRIs in Seconds and Flags Emergencies

Feb. 10, 2026 Researchers at the University of Michigan have created an AI system that can interpret brain MRI scans in just seconds, accurately identifying a wide range of neurological conditions and determining which cases need urgent care. Trained on hundreds ...

Latest Headlines

updated 11:25am EST

Scientists Reveal Why Human Language Isn’t Like Computer Code

Feb. 20, 2026 Human language may seem messy and inefficient compared to the ultra-compact strings of ones and zeros used by computers—but our brains actually prefer it that way. New research reveals that while ...

Brain Development May Continue Into Your 30s, New Research Shows

Feb. 19, 2026 That viral claim that your frontal lobe “isn’t fully developed until 25” turns out to be more myth than milestone. Early brain scans showed that gray matter changes dramatically through the ...

Why Some Kids Struggle With Math Even When They Try Hard

Feb. 15, 2026 A new Stanford study suggests math struggles may be about more than numbers. Children who had difficulty with math were less likely to adjust their thinking after making mistakes during number ...

Scientists Found a Way to Plant Ideas in Dreams to Boost Creativity

Feb. 15, 2026 Sleeping on a problem might be more powerful than we ever imagined. Neuroscientists at Northwestern University have shown that dreams can actually be nudged in specific directions — and those dream ...

Psychedelics May Work by Shutting Down Reality and Unlocking Memory

Feb. 15, 2026 Psychedelics can quiet the brain’s visual input system, pushing it to replace missing details with vivid fragments from memory. Scientists found that slow, rhythmic brain waves help shift ...

Scientists Used Brain Stimulation to Make People More Generous

Feb. 13, 2026 A new study suggests that generosity may be more than a moral lesson—it could be shaped by how different parts of the brain work together. By gently stimulating two brain regions and syncing their ...

New Research Reveals Humans Could Have as Many as 33 Senses

Feb. 9, 2026 We don’t experience the world through neat, separate senses—everything blends together. Smell, touch, sound, sight, and balance constantly influence one another, shaping how food tastes, objects ...

Scientists May Have Found the Brain Network Behind Parkinson’s

Feb. 8, 2026 A new international study points to a specific brain network as the core driver of Parkinson’s disease. Scientists found that this network becomes overly connected, disrupting not just movement but ...

A Hidden Aloe Vera Compound Takes Aim at Alzheimer’s

Feb. 8, 2026 Scientists have uncovered promising clues that compounds found in Aloe vera could play a role in fighting Alzheimer’s disease. Using advanced computer modeling, researchers discovered that ...

That Dry, Bitter Taste May Be Waking Up Your Brain

Feb. 7, 2026 New research suggests the astringent sensation caused by flavanols could act as a direct signal to the brain, triggering effects similar to a mild workout for the nervous system. In mouse ...

Doctors Test Brain Cell Implants to Restore Movement in Parkinson’s

Feb. 6, 2026 Scientists at Keck Medicine of USC are testing an experimental stem cell therapy that aims to restore the brain’s ability to produce dopamine, the chemical whose loss drives Parkinson’s disease. ...

Two-Month-Old Babies Are Already Making Sense of the World

Feb. 5, 2026 At just two months old, babies are already organizing the world in their minds. Brain scans revealed distinct patterns as infants looked at pictures of animals, toys, and everyday objects, showing ...

Alzheimer’s Scrambles Memories While the Brain Rests

Feb. 1, 2026 When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like mice, this replay still occurs — but the signals are jumbled and poorly ...

A Simple Blood Test Could Spot Parkinson’s Years Before Symptoms

Jan. 29, 2026 Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological ...

Why Long COVID Brain Fog Seems So Much Worse in the U.S.

Jan. 28, 2026 A massive international study of more than 3,100 long COVID patients uncovered a striking divide in how brain-related symptoms are reported around the world. In the U.S., the vast majority of ...

This Brain Discovery Is Forcing Scientists to Rethink How Memory Works

Feb. 3, 2026 A new brain imaging study reveals that remembering facts and recalling life events activate nearly identical brain networks. Researchers expected clear differences but instead found strong overlap ...

AI That Talks to Itself Learns Faster and Smarter

Jan. 28, 2026 AI may learn better when it’s allowed to talk to itself. Researchers showed that internal “mumbling,” combined with short-term memory, helps AI adapt to new tasks, switch goals, and handle ...

The Fat You Can’t See Could Be Shrinking Your Brain

Jan. 28, 2026 Where your body stores fat may matter just as much as how much you carry—especially for your brain. Using advanced MRI scans and data from nearly 26,000 people, researchers identified two ...

A Common Parasite in the Brain Is Far More Active Than We Thought

Jan. 27, 2026 A common parasite long thought to lie dormant is actually much more active and complex. Researchers found that Toxoplasma gondii cysts contain multiple parasite subtypes, not just one sleeping form. ...

Menopause Linked to Grey Matter Loss in Key Brain Regions

Feb. 7, 2026 A major study suggests menopause is linked to changes in brain structure, mental health, and sleep. Brain scans revealed grey matter loss in areas tied to memory and emotional regulation, while many ...

Middle Age Is Becoming a Breaking Point in the U.S.

Feb. 1, 2026 Middle age is becoming a tougher chapter for many Americans, especially those born in the 1960s and early 1970s. Compared with earlier generations, they report more loneliness and depression, along ...

Obesity and High Blood Pressure May Directly Cause Dementia

Jan. 26, 2026 A new genetic study suggests that obesity and high blood pressure may play a direct role in causing dementia, not just increasing the risk. By analyzing data from large populations in Denmark and the ...

Researchers Tested AI Against 100,000 Humans on Creativity

Jan. 25, 2026 A massive new study comparing more than 100,000 people with today’s most advanced AI systems delivers a surprising result: generative AI can now beat the average human on certain creativity tests. ...

Brain Waves Could Help Paralyzed Patients Move Again

Jan. 24, 2026 People with spinal cord injuries often lose movement even though their brains still send the right signals. Researchers tested whether EEG brain scans could capture those signals and reroute them to ...

Scientists Identify Hidden Protein Interaction Driving Parkinson’s Disease

Jan. 20, 2026 Researchers have identified a key molecular interaction that accelerates Parkinson’s disease by damaging the brain’s energy systems. They designed a new treatment that intercepts this harmful ...

Cannabis Was Touted for Nerve Pain. The Evidence Falls Short

Jan. 19, 2026 Cannabis-based medicines have been widely promoted as a potential answer for people living with chronic nerve pain—but a major new review finds the evidence just isn’t there yet. After analyzing ...

The Genetic Advantage That Helps Some People Stay Sharp for Life

Jan. 22, 2026 A new study reveals that super agers over 80 have a distinct genetic edge. They are much less likely to carry the gene most associated with Alzheimer’s risk, even when compared with other healthy ...

Scientists Found Hidden Synapse Hotspots in the Teen Brain

Jan. 16, 2026 Scientists have discovered that the adolescent brain does more than prune old connections. During the teen years, it actively builds dense new clusters of synapses in specific parts of neurons. These ...

MRI Scans Show Exercise Can Make the Brain Look Younger

Jan. 22, 2026 New research suggests that consistent aerobic exercise can help keep your brain biologically younger. Adults who exercised regularly for a year showed brains that appeared nearly a year younger than ...

Patients Tried Everything for Depression Then This Implant Changed Their Lives

Jan. 20, 2026 Researchers report that vagus nerve stimulation helped many people with long-standing, treatment-resistant depression feel better—and stay better—for at least two years. Most participants had ...