Neuroscience News

November 21, 2025

Top Headlines

How to Keep Ozempic/Wegovy Weight Loss Without the Nausea

Nov. 18, 2025 Scientists are uncovering how GLP-1 drugs like Ozempic and Wegovy act on brain regions that control hunger, nausea, pleasure-based eating, and thirst. These discoveries may help create treatments that keep the benefits of weight loss while reducing ...

A Surprising CBD Advance Calms Pain Without Side Effects

Nov. 18, 2025 Researchers developed a new nano-micelle formulation, CBD-IN, that finally gets CBD into the brain effectively. In mice, it relieved neuropathic pain quickly and didn’t cause the usual movement or memory side effects. Surprisingly, the pain relief ...

Daily Music Listening Linked to Big Drop in Dementia Risk

Nov. 17, 2025 Older adults who regularly listen to or play music appear to have significantly lower risks of dementia and cognitive decline. The data suggests that musical engagement could be a powerful, enjoyable tool for supporting cognitive resilience in ...

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 impaired clearance occur early and are difficult to ...

Scientists Find Brain Cells That Could Stop Alzheimer’s

Nov. 8, 2025 Researchers have identified special immune cells in the brain that help slow Alzheimer’s. These microglia work to reduce inflammation and block the spread of harmful proteins. They appear to protect memory and brain health, offering a promising ...

Scientists Find Hidden Brain Damage from a Common Pesticide

Nov. 7, 2025 Prenatal exposure to the insecticide chlorpyrifos causes widespread brain abnormalities and poorer motor skills in children. Even after a residential ban, ongoing agricultural use continues to endanger developing ...

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 neuronal damage in mice. The findings reveal a ...

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 rats. Another experiment revived a silenced memory ...

Scientists Reverse Anxiety by Rebalancing the Brain

Nov. 4, 2025 Researchers have discovered a specific set of neurons in the amygdala that can trigger anxiety and social deficits when overactive. By restoring the excitability balance in this brain region, they successfully reversed these symptoms in mice. The ...

Breakthrough Brain Discovery Reveals a Natural Way to Relieve Pain

Nov. 4, 2025 Using powerful 7-Tesla brain imaging, researchers mapped how the brainstem manages pain differently across the body. They discovered that distinct regions activate for facial versus limb pain, showing the brain’s built-in precision pain control ...

A Groundbreaking Brain Map Could Revolutionize Parkinson’s Treatment

Nov. 3, 2025 Duke-NUS scientists unveiled BrainSTEM, a revolutionary single-cell map that captures the full cellular diversity of the developing human brain. The project’s focus on dopamine neurons provides crucial insight for Parkinson’s treatment. Their ...

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 thrown off in key cell types, changing when hundreds of ...

Latest Headlines

updated 9:58am EST

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 ...

Supercomputer Creates the Most Realistic Virtual Brain Ever

Nov. 18, 2025 Researchers have created one of the most detailed virtual mouse cortex simulations ever achieved by combining massive biological datasets with the extraordinary power of Japan’s Fugaku ...

Chimps Shock Scientists by Changing Their Minds With New Evidence

Nov. 16, 2025 Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

What Brain Scans Reveal About Soccer Fans’ Passion and Rage

Nov. 11, 2025 Researchers scanning soccer fans’ brains found that wins trigger bursts of reward activity while losses dampen control signals. The results show how loyalty and rivalry can override logic, turning ...

A 500-Million-Year-Old Brain "radar" Still Shapes How You See

Nov. 8, 2025 New research shows that the superior colliculus, a primitive brain region, can independently interpret visual information. This challenges long-held beliefs that only the cortex handles such complex ...

Scientists Uncover Meditation’s Hidden Side Effects

Nov. 5, 2025 Meditation is widely praised for its mental health benefits, but new research shows that it can also produce unexpected side effects for some people—from anxiety and dissociation to functional ...

A Breakthrough Map Reveals How the Brain Really Works

Nov. 5, 2025 Scientists have shown that brain connectivity patterns can predict mental functions across the entire brain. Each region has a unique “connectivity fingerprint” tied to its role in cognition, ...

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 ...

MIT Scientists Discover How the Brain Spins Back Into Focus

Nov. 4, 2025 Researchers at MIT’s Picower Institute found that rotating waves of brain activity help restore focus after distractions. In animal tests, these rotations predicted performance: full rotations ...

Scientists Find Mind Trick That Unlocks Lost Memories

Nov. 3, 2025 Researchers found that embodying a digital, childlike version of one’s own face helps unlock vivid childhood memories. This illusion strengthens the connection between bodily self-perception and ...

It Sounds Creepy, but These Scientific Breakthroughs Could Save Lives

Oct. 30, 2025 From mini-brains to spider-inspired gloves and wolf apple coatings, scientists are turning eerie-sounding experiments into real innovations that could revolutionize health and sustainability. ...

Gum Disease May Quietly Damage the Brain, Scientists Warn

Oct. 29, 2025 People with gum disease may have higher levels of brain white matter damage, a new study finds. Researchers observed that participants with gum disease had significantly more white matter ...

Humans Evolved Faster Than Any Other Ape

Oct. 29, 2025 UCL scientists found that human skulls evolved much faster than those of other apes, reflecting the powerful forces driving our brain growth and facial flattening. By comparing 3D models of ape ...

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being ...

Brain Fog During Menopause? Here’s What’s Really Going on

Oct. 21, 2025 Menopause brings profound shifts not just in hormones but in the very structure of the brain. Scientists have found that gray matter in regions tied to memory and thinking can shrink, while white ...

Scientists Detect Hidden Brain Damage Years Before MS Symptoms

Oct. 21, 2025 Scientists at UCSF have uncovered evidence that multiple sclerosis silently damages the brain years before diagnosis. By studying proteins in blood samples, they identified early immune signals and ...

Your ZIP Code Could Reveal Your Risk of Dementia

Oct. 31, 2025 People living in socially and economically disadvantaged neighborhoods may face higher dementia risks, according to new research from Wake Forest University. Scientists found biological signs of ...

From Poison to Power: How Lead Exposure Helped Shape Human Intelligence

Oct. 16, 2025 Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became. Scientists studying ancient teeth found that early humans, great apes, and even ...

Online Brain Training Reverses 10 Years of Aging in Memory and Learning

Oct. 29, 2025 A new McGill-led study reveals that digital brain exercises can rejuvenate aging brain systems responsible for learning and memory. Older adults using BrainHQ for 10 weeks showed restored cholinergic ...

Tiny Brain Nanotubes Found by Johns Hopkins May Spread Alzheimer’s

Oct. 16, 2025 Johns Hopkins scientists uncovered microscopic “nanotube” channels that neurons use to transfer toxic molecules. While this process clears waste, it can also spread harmful proteins like ...

Your DNA May Shape How You Use Cannabis

Oct. 20, 2025 A major collaboration between UC San Diego and 23andMe identified genes that shape cannabis use behaviors. The study linked the CADM2 and GRM3 genes to cannabis use and connected these patterns to ...

Stanford Scientists Grow Thousands of Mini Human Brains Using Common Food Additive

Oct. 18, 2025 Stanford scientists have solved a long-standing challenge in growing brain organoids by using a simple food additive to keep them from sticking together. The breakthrough enables the production of ...

Scientists Launch $14.2 Million Project to Map the Body’s “hidden Sixth Sense”

Oct. 25, 2025 Inside your body, an intricate communication network constantly monitors breathing, heart rate, digestion, and immune function — a hidden “sixth sense” called interoception. Now, Nobel laureate ...

Scientists Discover How a High-Fat Keto Diet Could Keep Your Brain Young

Oct. 21, 2025 Mizzou scientists are exploring how a ketogenic diet may protect the brain and prevent Alzheimer’s in people genetically predisposed to it. Their study found that female mice with the APOE4 gene ...

Breakthrough Compounds May Reverse Nerve Damage Caused by Multiple Sclerosis

Oct. 11, 2025 Researchers have identified two compounds, K102 and K110, that could repair the nerve damage from multiple sclerosis. These drugs help regenerate the protective myelin sheath and balance immune ...

Scientists Discover Brain Circuit That Can Switch Off Chronic Pain

Oct. 10, 2025 Scientists have pinpointed Y1 receptor neurons in the brain that can override chronic pain signals when survival instincts like hunger or fear take precedence. Acting like a neural switchboard, these ...

Fat-Fueled Neuron Discovery Could Unlock New Treatments for Brain Disease

Oct. 25, 2025 Researchers found that neurons can use fat, not just sugar, to power the brain. When a protein called DDHD2 fails, this process breaks down and leads to serious brain problems. Scientists were able ...

Why Ultra-Processed Foods Aren’t the Real Villain Behind Overeating

Oct. 5, 2025 Researchers from Leeds found that overeating is driven more by what people believe about food than by its actual ingredients or level of processing. Foods perceived as fatty, sweet, or highly ...

Why the Brain’s GPS Fails With Age, and How Some Minds Defy It

Oct. 5, 2025 Stanford scientists found that aging disrupts the brain’s internal navigation system in mice, mirroring spatial memory decline in humans. Older mice struggled to recall familiar locations, while a ...

Hidden Cellular “power Switch” Could Transform Parkinson’s Treatment

Oct. 4, 2025 Researchers uncovered a key cellular regulator, PP2A-B55alpha, that controls both the cleanup of damaged mitochondria and the creation of new ones. In Parkinson’s disease models, reducing this ...