Mind & Brain News

September 23, 2026

Top Headlines

Coffee Doesn’t Have to Keep You Awake to Disrupt Your Sleep

Sep. 22, 2026 Caffeine may make sleep less restorative even when you fall asleep normally and stay in bed for eight hours, with EEG recordings revealing fewer of the slow brain waves associated with deep sleep. Individual sensitivity varies dramatically, meaning ...

Brain Scans Reveal a Possible Cause of Long COVID Fatigue and Brain Fog

Sep. 21, 2026 Researchers have found evidence that long COVID may damage dopamine releasing neurons in the brain, potentially explaining persistent fatigue, low motivation, slowed movement, and memory difficulties. The discovery could lead to new treatments that ...

Stem Cells Reverse Stroke Damage and Restore Movement in Mice

Sep. 21, 2026 Stem cell transplants helped regenerate stroke-damaged brain tissue in mice, producing new neurons and restoring lost motor function. The treatment also improved blood vessels, inflammation, and the blood-brain barrier, raising hopes that a similar ...

Scientists Create a Needle-thin Brain Implant That Can Do Three Jobs at Once

Sep. 21, 2026 A new needle-thin brain implant can record neural activity, deliver drugs, and stimulate multiple brain regions using a single flexible fiber. Successful tests in mice suggest it could give ...

Stanford Scientists Discover the Human Brain May Actually Be Two Separate Organs

Sep. 21, 2026 Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery ...

Scientists Find That “Perfect” Systems May Be Surprisingly Fragile

Sep. 19, 2026 Complex systems may work better when their parts are not perfectly alike. Northwestern physicists found that carefully balanced variation, or “disorder,” can make networks such as power grids, ecosystems, neurons, and materials more stable. Even ...

These Blood Thinners May Have an Unexpected Benefit for Alzheimer’s Patients

Sep. 18, 2026 Newer blood thinners may do more than prevent strokes in people with Alzheimer’s disease and atrial fibrillation. Researchers found that patients taking NOACs experienced a slower decline in ...

Scientists Restore a Brain Protein and Reverse Signs of Aging in Mice

Sep. 18, 2026 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. Restoring Menin reversed several age-related changes, while ...

Textbooks May Have Misdrawn This Basic Brain Structure for 100 Years

Sep. 17, 2026 Scientists discovered that brain-cell axons may not be smooth tubes as textbooks have shown for more than a century, but instead naturally resemble strings of tiny pearls. Those pearl-like structures can change with neural activity and may help ...

Hidden “Immune Organ” in the Skull May Help Fight Brain Cancer

Sep. 16, 2026 Scientists discovered a hidden “immune organ” inside the skull that acts as a rapid first responder against brain cancer in mice. Strengthening this local immune defense improved tumor rejection and survival, raising the possibility of new ...

Scientists Recreated What Mice Saw from Brain Activity Alone

Sep. 16, 2026 Scientists reconstructed videos from the brain activity of mice, producing 10-second clips based only on signals from neurons in the visual cortex. The breakthrough could help reveal how the brain reshapes what we see before it becomes our ...

Smelling Chocolate Helped Men Complete More Reps Without Feeling More Tired

Sep. 15, 2026 Simply smelling chocolate helped men complete more leg extension repetitions without making the workout feel harder, with dark chocolate producing the strongest effect. The researchers think familiar food aromas may influence appetite and motivation ...

Latest Headlines

updated 12:17am EDT

Scientists Discover a Major Brain Shift Between Ages 50 and 75

Sep. 15, 2026 Scientists have uncovered sweeping changes in how the human brain controls and organizes its genome beginning in midlife, offering new clues to why aging sharply increases the risk of Alzheimer’s ...

Hidden Brain Wiring May Help Keep the Mind Sharp as Gray Matter Shrinks

Sep. 14, 2026 Scientists have discovered that the brain’s short-range wiring may help protect cognition even as gray matter shrinks with age. Healthier connections just beneath the brain’s surface were linked ...

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 ...

Scientists Find Ozempic May Slow Aging Itself

Sep. 12, 2026 Semaglutide helped older healthy mice live longer while improving memory, muscle function, blood sugar control, and several biological signs of aging. Its effects went beyond those seen with calorie ...

Study of 1.9 Million People Finds a Striking Link Between ADHD and Gut Problems

Sep. 11, 2026 Researchers analyzing data from more than 1.9 million people found that ADHD is associated with substantially higher rates of digestive problems. ...

Your Personality May Be More Genetic Than Scientists Realized

Sep. 8, 2026 More than 1,200 genetic variants have been linked to the Big Five personality traits, and many of the same variants are also associated with health, longevity, careers, income, and everyday habits. ...

Ozempic and Wegovy May Have an Unexpected Mental Health Benefit

Sep. 8, 2026 Semaglutide, the drug behind Ozempic and Wegovy, may have benefits that extend well beyond weight loss and diabetes. In a large Swedish study of nearly 15,000 people with bipolar disorder, its use ...

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 ...

Scientists Say Love Follows Hidden Mathematical Rules

Sep. 7, 2026 Could math help explain why some relationships survive life’s inevitable stresses while others slowly fall apart? Researchers have spent decades developing mathematical models that treat romantic ...

Sep. 6, 2026 A large study involving more than 270,000 people has linked higher blood levels of the amino acid tyrosine to a shorter lifespan in men. Using both observational data and genetic analysis, ...

Scientists Reveal the Hidden Instructions That Build the Human Brain

Sep. 4, 2026 UCLA researchers have discovered two powerful influences that help guide how the human brain forms before birth. Radial glia, stem cells responsible for producing much of the cerebral cortex, change ...

Depression May Shut Down the Brain’s Ability to Make New Neurons

Aug. 25, 2026 A major study found that adults with depression show disrupted production of new neurons in the hippocampus, potentially weakening the brain’s ability to separate new experiences from painful ...

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 ...

This Common Vitamin Was Linked to 13% Better Cognitive Scores

Aug. 23, 2026 Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored more than 13% higher on a cognitive test than those taking none. The preliminary ...

Scientists Discover a Brain “brake” That Can Shut Down Chronic Pain

Aug. 27, 2026 Researchers discovered a brain-based “brake” that can shut down chronic nerve pain in mice by calming an overactive pain circuit. Targeting this system more precisely could one day lead to ...

Scientists Reveal How the Brain Changes Its Connections When Uncertainty Strikes

Aug. 19, 2026 The brain has a remarkably flexible system for handling uncertainty and changing situations. Researchers found that the frontoparietal cortex constantly shifts how it communicates with other brain ...

Quitting Alcohol May Prime the Brain for Relapse

Aug. 22, 2026 Mice that developed compulsive drinking after alcohol abstinence showed more than double the activity in a brain region associated with stress and addiction. Because the signal appeared before they ...

A Surprising Brain Discovery Could Help Explain Why We Overeat Fatty Foods

Aug. 13, 2026 A protein inside appetite-controlling brain cells may play an important role in preventing overeating and obesity, particularly when high-fat foods are readily available. Unexpected differences ...

Scientists Tracked Kids for 8 Years — the Screen Time Result Was Unexpected

Aug. 15, 2026 An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions about screen use. Researchers ...

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 ...

Your Sleep May Be Hiding an Early Clue to Alzheimer’s

Aug. 28, 2026 Frequent micro-awakenings during sleep were linked to higher genetic risk for Alzheimer’s in healthy middle-aged adults who had no symptoms. The discovery raises the possibility that subtle changes ...

Researchers Followed 400,000 Kids for 20 Years and Found a Lasting Pre-K Advantage

Aug. 28, 2026 A 20-year study of 400,000 students found that children who attended public school pre-K earned better grades and test scores through high school than those in other childcare settings. ...

Ozempic Does Something Unexpected to the Brain’s Hunger Neurons

Aug. 20, 2026 Ozempic may work in the brain in almost the opposite way scientists expected, activating hunger-linked neurons that appear essential for sustaining fat loss. The surprising discovery in mice could ...

The Adult Brain Can Repair Itself Better Than Scientists Thought

Aug. 12, 2026 The adult brain may be far better at repairing itself than scientists once believed. In mice, researchers discovered a special group of support cells called astrocytes that respond to damaged brain ...

Childhood Trauma May Leave a Lasting “scar” Inside Brain Cells

Aug. 26, 2026 Early-life stress may physically alter how DNA is packaged in the brain, leaving stress-related genes primed to activate more easily years later. In mice, researchers were able to block this effect, ...

Scientists Find a Weak Spot in One of the Deadliest Brain Cancers

Sep. 6, 2026 Researchers may have found a new way to weaken glioblastoma’s defenses against treatment. Blocking a protein called SET prevented tumors from forming in preclinical models, while targeting related ...

Smart Nanoparticles Light Up Brain Cancer and Destroy What Surgery Misses

Aug. 27, 2026 Scientists created smart nanoparticles that can both illuminate hidden glioblastoma cells during surgery and destroy microscopic cancer left behind afterward. In mice, the treatment prevented ...

Immune Cells Flood Into the Aging Brain, Stanford Scientists Discover

Aug. 14, 2026 Scientists have discovered that the aging human brain may be far less isolated from the rest of the body than once believed. Stanford researchers found that large numbers of immune cells from the ...

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 ...