Disorders and Syndromes News

September 22, 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 ...

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 to better language skills and appeared to weaken ...

Latest Headlines

updated 10:26am EDT

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. ...

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 ...

This Lifestyle Program Improved Cognition 55% More Than Basic Health Advice

Sep. 6, 2026 Older adults at risk of dementia improved their memory and thinking after following lifestyle programs combining exercise, healthy eating, cognitive training, and social engagement. Those who ...

A Longer Exhale May Push Your Brain Toward Bolder Decisions

Sep. 4, 2026 Slow breathing with a prolonged exhale made people more willing to take risks by changing heart activity and increasing the brain’s sensitivity to rewards. The findings suggest that something as ...

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 ...

New Injectable Treatment Helps the Brain Rebuild After Stroke

Sep. 3, 2026 Duke researchers developed an injectable scaffold that helped stroke-damaged brains grow new blood vessels, support nerve regrowth, and recover movement in mice. The treatment appears to work partly ...

ADHD May Have a Surprising Creative Advantage

Sep. 2, 2026 Some of the attention patterns that make ADHD challenging may also help spark creativity by allowing the brain to explore more ideas and unexpected connections. Researchers think creative activities ...

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 ...

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 ...

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, ...

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 ...

A Little Movement in Midlife Could Pay Off for Your Brain Years Later

Aug. 16, 2026 Exercise and healthy blood sugar levels in midlife may help slow cognitive decline decades later. Physical activity appeared especially beneficial for Mexican American adults, suggesting that some ...

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 ...

Scientists Find a Simple Routine Linked to Less Pain and Depression

July 30, 2026 Keeping a regular daily schedule may help reduce pain and depression, especially among older adults with insomnia. Researchers found that consistent times for waking, eating, socializing, and ...

Scientists Find a Human-Only Gene That May Help Explain Our Brainpower

Aug. 31, 2026 Scientists discovered that human microglia, immune cells that help shape developing brain circuits, can take four to eight years to mature instead of just weeks as they do in mice. The unusually slow ...

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 ...