Neuroscience News

August 10, 2026

Top Headlines

Frequent Cannabis Users Wake Up with Their “Stress Hormone” Already Elevated

Aug. 9, 2026 Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress rhythms could be disrupted. Researchers say the finding raises questions ...

Scientists Say Just 7 Days of Meditation Can Rewire Your Brain

Aug. 8, 2026 An intensive seven-day meditation retreat triggered striking changes across the brain and body, including shifts tied to neuroplasticity, immunity, metabolism, and natural pain relief. Participants also showed brain connectivity patterns resembling ...

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 nonusers continued improving. THC appeared to be the ...

New Autism Therapy Shows Surprising Benefits Even in Adult Mice

Aug. 7, 2026 Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in human brain organoids and showed lasting effects in ...

Nearly Half of Dementia Cases May Be Linked to Risks You Can Change

Aug. 6, 2026 A long-term brain study found that common risks such as smoking, high blood pressure, heart disease, and high blood lipids were strongly linked to damage associated with vascular dementia. The findings suggest that healthier lifestyle choices could ...

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 ...

Your Brain May Be Wired to Regain Lost Weight

Aug. 3, 2026 Weight loss is not simply a test of willpower. The human brain evolved to protect body fat during times of scarcity, and it can treat a previously higher weight as the new normal, triggering stronger hunger, cravings, and lower energy use after ...

Scientists May Have Found Aging’s Hidden Trigger for Brain Disease

Aug. 3, 2026 Scientists have identified a molecular switch that may help explain why aging makes the brain more vulnerable to diseases such as ALS and Huntington’s. In worms, the protein EPS8 builds up with age and triggers signaling that encourages toxic ...

Two New Compounds Could Reveal Hidden Drivers of Alzheimer’s Disease

Aug. 3, 2026 Vanderbilt researchers created the first selective compound designed to inhibit TAOK-1, a poorly understood protein connected to Alzheimer’s disease. They also discovered a second compound that activates the entire TAOK protein family, offering ...

Scientists Discover Why Poor Sleep May Harm Some Brains More

July 31, 2026 A gene involved in the brain’s overnight cleaning system may change how strongly poor sleep affects Alzheimer’s-related brain changes. The findings point toward more personalized prevention strategies based on both genetics and sleep ...

AI Can Tell If Your Brain Is Aging Faster Than You Are

July 31, 2026 A person’s sleeping brain may reveal warning signs of dementia long before memory problems begin. Researchers used machine learning to analyze EEG recordings from about 7,000 adults and found that an older-than-expected “brain age” was tied to ...

Scientists Discover How Obesity May Fuel Alzheimer’s Disease

July 30, 2026 Researchers have uncovered a possible biological pathway connecting obesity to Alzheimer’s disease. Obesity appears to raise levels of certain fat molecules that can travel to the brain, disrupt its immune defenses, and promote harmful amyloid ...

Latest Headlines

updated 11:51am EDT

Stress Can Scramble Your Brain’s Internal GPS, MRI Study Finds

Aug. 8, 2026 Stress may literally scramble the brain’s internal GPS. Researchers found that cortisol, a hormone released during stress, made people significantly worse at navigating a virtual environment and ...

Scientists Discover the Brain Cells That Keep You Motivated

Aug. 5, 2026 A group of brain cells called orexin neurons appears to help us keep working when reaching a reward becomes increasingly difficult. Blocking their activity weakened motivation in rats, pointing to a ...

What If the Brain Does Not Create Consciousness?

July 30, 2026 Christof Koch is taking on one of science’s deepest mysteries: how the brain creates conscious experience, or whether it creates it at all. He argues that materialism has yet to solve this “hard ...

Your Gut May Help Your Brain Decide What to Remember

July 29, 2026 Signals traveling from the gut to the brain may help turn meals into lasting memories. Rats showed stronger memory activity after consuming nutritious foods, but not after drinking sweet liquids with ...

Your Dreams Aren’t Random. Your Brain Is Rewriting Reality

July 27, 2026 Dreams are not random mental noise. A large study of more than 3,700 dream and waking reports found that what we experience during sleep is shaped by both our personalities and the world around us. ...

Eating Within 8 Hours May Help Keep the Aging Brain Sharp

July 27, 2026 Eating within a shorter daily window may help protect certain thinking skills as people age. In a small six-month trial, older women who limited eating to about 8 to 9 hours a day performed better on ...

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 ...

After 60 Years, Scientists Uncover Metformin’s Hidden Brain Effects

July 25, 2026 A decades-old diabetes drug just got a surprising twist. Scientists have discovered that metformin doesn’t just work in the liver and gut—it also acts directly in the brain, where it taps into a ...

A Single Dose Reversed Autism-Like Symptoms in Adult Mice Within Hours

July 25, 2026 Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure risk. Remarkably, one dose of ...

Superagers Keep Youthful Memories but Their DNA Does Not Explain Why

July 25, 2026 Scientists expected SuperAgers might simply inherit fewer Alzheimer’s-related risks, but their genes looked much like those of typical older adults. Their extraordinary memories may instead come ...

Scientists Discover the Hidden Brain Switch That Assigns Bees Their Jobs

July 22, 2026 Researchers found that specific brain circuits help decide which jobs bees perform as they age. When those circuits were switched off, older worker bees began caring for the queen again instead of ...

Watching Too Much TV in Midlife May Shrink the Brain

July 21, 2026 Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 adults, frequent TV viewers later showed smaller brain regions involved in ...

Scientists Discover a Protein That Protects the Brain from Alzheimer’s Damage

July 20, 2026 A protein called SORLA may act as a powerful defense against the toxic tau tangles involved in Alzheimer’s disease. Mice with extra SORLA had less tau accumulation, less brain atrophy, and ...

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 ...

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 Spreads Through the Brain

June 30, 2026 A common brain protein may be giving Alzheimer’s disease an unexpected way to spread, carrying toxic Tau proteins from damaged neurons into healthy ones. By blocking these harmful protein packages ...

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 ...

This Sugar-Coated Therapy Boosted Survival Against Deadly Brain Cancer by 50% in Mice

July 16, 2026 A new experimental treatment may have found a way to outsmart glioblastoma’s toughest defense: the blood-brain barrier. Researchers used sugar-coated nanoparticles to ferry genetic instructions ...

Scientists Discover Ancient Brain Cells That Help Block Distractions

June 24, 2026 Scientists have discovered a tiny group of neurons in an ancient brain region that acts like a built-in focus filter, helping the brain ignore distractions and zero in on what matters most. When ...

A Surprising Brain Discovery Is Forcing Scientists to Rethink Movement Disorders

July 1, 2026 A surprising discovery is overturning a long-held assumption about how the brain’s movement center works. Researchers found that two key cerebellar cell types—thought to be tightly linked—often ...

Millions Take Omega-3 Fish Oil for Brain Health but a New Study Found No Benefit

June 29, 2026 Fish oil supplements successfully delivered omega-3s to the brain, but a two-year study found no meaningful benefits for memory, cognition, or Alzheimer’s-related brain changes. The results ...

Scientists Discover Neurons Must Break Their DNA to Build the Brain

June 21, 2026 As newborn neurons make their way through the developing brain, they must squeeze through incredibly tight spaces to reach their final destinations. Researchers discovered that this physical journey ...

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, ...

Common Constipation Drug May Help Clear Depression Brain Fog

July 15, 2026 An existing constipation drug may have an unexpected new use: helping clear the "brain fog" that often lingers after depression. In a small clinical trial, people with a history of ...

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 ...

Why Grandparents Matter More Than Ever for Children's Mental Health

June 13, 2026 A child psychologist says grandparents are more important than ever as youth mental health challenges continue to rise. He argues that children need supportive relationships, meaningful ...

This Common Vitamin Deficiency Can Mimic Normal Aging

June 25, 2026 Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 ...

Researchers Discover Why Fructose Doesn't Satisfy Hunger Like Glucose

June 26, 2026 A new study found that fructose and glucose may look the same on a nutrition label, but the brain treats them very differently. In mice, glucose strongly reduced activity in hunger-promoting brain ...

Scientists Discover a Surprising Link Between Vitamin C and Brain Health

July 1, 2026 Could something as simple as vitamin C help support a healthier aging brain? In a study of more than 2,000 older adults in Japan, researchers found that people with lower vitamin C levels in their ...

Your Brain Can Keep Improving Into Your 90s, Study Finds

June 13, 2026 A three-year study of nearly 4,000 adults ranging from age 19 to 94 found that brain health can improve at any age, challenging the common belief that mental sharpness must decline as we get older. ...