Psychology News

April 18, 2026

Top Headlines

Artificial Neurons Successfully Communicate with Living Brain Cells

Apr. 18, 2026 Engineers at Northwestern University have taken a striking leap toward merging machines with the human brain by printing artificial neurons that can actually communicate with real ones. These flexible, low-cost devices generate lifelike electrical ...

Your Nose Could Detect Alzheimer’s Years Before Symptoms Begin

Apr. 11, 2026 Losing your sense of smell might signal Alzheimer’s far earlier than expected. Scientists found that immune cells in the brain actively destroy smell-related nerve fibers after detecting abnormal signals on their surfaces. This damage begins in ...

Scientists Discover Hidden Gut Trigger Behind ALS and Dementia

Apr. 9, 2026 A new study reveals that gut bacteria may play a key role in triggering ALS and frontotemporal dementia. Harmful sugars produced by these microbes can spark immune responses that damage the brain. This breakthrough explains why some genetically ...

This “Rotten Egg” Brain Gas Could Be the Key to Fighting Alzheimer’s Disease

Apr. 8, 2026 Scientists have uncovered a surprising new player in Alzheimer’s disease: a protein called CSE that helps produce tiny amounts of hydrogen sulfide gas in the brain. In experiments with genetically ...

Scientists Discover Hidden Brain Switch That Tells You to Stop Eating

Apr. 6, 2026 Your brain’s “stop eating” signal may come from an unexpected source. Researchers found that astrocytes—once thought to just support neurons—actually play a key role in controlling appetite. After a meal, glucose triggers tanycytes, which ...

Scientists Found a Protein That Drives Brain Aging — And How to Stop It

Apr. 5, 2026 Scientists have uncovered a powerful new clue in the mystery of brain aging: a single protein called FTL1. In aging mice, higher levels of this protein weakened connections between brain cells and led to memory decline. But when researchers reduced ...

A Gene Mutation May Trap the Brain in the Wrong Reality in Schizophrenia Patients

Apr. 3, 2026 A newly identified gene mutation may help explain why schizophrenia patients struggle to update their understanding of reality. The mutation disrupts a brain circuit involved in flexible ...

Scientists Discover Sleep Switch That Builds Muscle, Burns Fat, and Boosts Brainpower

Mar. 30, 2026 Deep sleep does far more than rest the body — it activates a powerful brain-driven system that controls growth hormone, fueling muscle and bone strength, metabolism, and even mental performance. ...

Stroke Triggers a Hidden Brain Change That Looks Like Rejuvenation

Mar. 29, 2026 After a stroke, the brain may do something surprisingly hopeful—it can “refresh” parts of itself. Researchers analyzing brain scans from over 500 stroke survivors found that while the damaged side of the brain appears to age faster, the ...

What Teens Eat Could Be Affecting Their Mental Health More Than We Thought

Mar. 29, 2026 What teens eat might matter more for their mental health than previously thought. A sweeping review of nearly 20 studies found that healthier diets are often linked to fewer depressive symptoms, while poor eating habits may go hand in hand with ...

Metformin’s Hidden Brain Pathway Revealed After 60 Years

Mar. 25, 2026 A major discovery reveals that metformin works not just in the body, but in the brain. By switching off a key protein and activating specific neurons, the drug lowers blood sugar through a previously hidden pathway, opening new doors for diabetes ...

Fathers Face Rising Depression Risk a Year After Baby Arrives

Mar. 24, 2026 New fathers appear to have fewer mental health diagnoses during pregnancy and the early months after birth. But that early stability does not last. About a year later, depression and stress-related disorders increase significantly, surprising ...

Latest Headlines

updated 12:41pm EDT

These Overlooked Brain Cells May Control Fear and PTSD

Apr. 4, 2026 Astrocytes, once thought to be mere brain “support cells,” are now revealed to be key players in fear memory. Researchers found they actively help form, recall, and weaken fear responses by ...

Weight Loss Drug Ozempic Cuts Depression, Anxiety, and Addiction Risk

Mar. 22, 2026 GLP-1 medications like semaglutide (Ozempic) may offer unexpected mental health benefits alongside weight loss. A large study found major drops in depression, anxiety, and psychiatric-related ...

Huge Study Finds No Evidence Cannabis Helps Anxiety, Depression, or PTSD

Mar. 20, 2026 The largest review of medicinal cannabis to date found it doesn’t effectively treat anxiety, depression, or PTSD—despite millions using it for those reasons. Researchers warn it could even make ...

Scientists Link Childhood Stress to Lifelong Digestive Issues

Mar. 17, 2026 Early life stress may set the stage for long-term digestive problems by disrupting the gut-brain connection. Studies in both mice and thousands of children found links to symptoms like pain, ...

Microplastics May Be Quietly Damaging Your Brain and Fueling Alzheimer’s and Parkinson’s

Mar. 13, 2026 Tiny plastic particles may be quietly threatening brain health. New research suggests microplastics—now widely found in food, water, and even ...

Depression May Start With an Energy Problem in Brain Cells

Mar. 12, 2026 Researchers have discovered a surprising change in how cells produce energy in people with depression. Brain and blood cells in young adults with major depressive disorder produced more energy ...

Brain Scans Reveal How Ketamine Quickly Lifts Severe Depression

Mar. 8, 2026 A new brain-imaging study has revealed how ketamine produces its fast antidepressant effects in people with treatment-resistant depression. Researchers tracked changes in a critical brain receptor ...

A New “magic Mushroom” Drug Could Treat Depression Without Psychedelic Hallucinations

Mar. 8, 2026 Scientists are exploring a new way to harness the medical promise of psychedelic compounds without the mind-bending side effects. Researchers created ...

Golden Retriever Genes Linked to Anxiety, Aggression, and Intelligence in Humans

Mar. 7, 2026 Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than ...

Scientists Discover the Brain Protein That Drives Cocaine Relapse

Mar. 6, 2026 Cocaine addiction isn’t simply a failure of willpower — it’s the result of lasting biological changes in the brain. Researchers at Michigan State University discovered that repeated cocaine use ...

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 ...

New Brain Stimulation Approach Could Treat Depression in Just 5 Days

Feb. 25, 2026 A weeklong, high-intensity version of TMS may work nearly as well as the standard six-week treatment for depression. In a UCLA study, patients who received five sessions a day for five days ...

Sugary Drinks Linked to Rising Anxiety in Teens

Feb. 18, 2026 Sugary drinks may be linked to more than just physical health problems in teens. A new review of multiple studies found a consistent association between high consumption of beverages like soda, ...

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 ...

Couples Who Savor Happy Moments Together Have Stronger, Longer-Lasting Relationships

Feb. 14, 2026 Couples who intentionally slow down and soak in their happy moments together may be building a powerful shield for their relationship. Researchers at the University of Illinois found that partners ...

Beyond Amyloid Plaques: AI Reveals Hidden Chemical Changes Across the Alzheimer’s Brain

Mar. 1, 2026 Scientists at Rice University have produced the first full, dye-free molecular atlas of an Alzheimer’s brain. By combining laser-based imaging with machine learning, they uncovered chemical changes ...

Exercise May Be One of the Most Powerful Treatments for Depression and Anxiety

Feb. 16, 2026 A sweeping review of global research suggests that exercise—especially aerobic activities like running, swimming, and dancing—can be one of the most powerful ways to ease depression and anxiety. ...

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 ...

The More You Fear Aging, the Faster Your Body May Age

Feb. 26, 2026 Worrying about getting older—especially fearing future health problems—may actually speed up aging at the cellular level, according to new research from NYU. In a study of more than 700 women, ...

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 ...

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. ...

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 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 ...

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 ...

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 ...

New Research Shows Emotional Expressions Work Differently in Autism

Jan. 19, 2026 Researchers found that autistic and non-autistic people move their faces differently when expressing emotions like anger, happiness, and sadness. Autistic participants tended to rely on different ...

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 ...

Depression May Be the Brain’s Early Warning Sign of Parkinson’s or Dementia

Feb. 11, 2026 Depression in older adults may sometimes signal the early stages of Parkinson’s disease or Lewy body dementia. Researchers found that depression often appears years before diagnosis and remains ...