Today's Healthcare News

October 3, 2026

Top Headlines

This Protective Enzyme Could Help Stop Fatty Liver Disease from Getting Worse

Oct. 3, 2026 Scientists have identified an enzyme that may act as a natural defense against the worsening of fatty liver disease, which affects an estimated 100 million Americans. The enzyme, called UBE2N, helps ...

Nearly 6 in 10 People with High Blood Pressure Don’t Know They Have It

Oct. 2, 2026 Nearly 6 in 10 people with high blood pressure in a large England study had never been diagnosed or treated, and half of those already taking medication still had elevated readings. Researchers say a more proactive approach to finding and ...

Weak Sunlight Can Still Damage Your DNA, Scientists Warn

Oct. 1, 2026 Weak sunlight can still damage skin DNA if you spend enough time outdoors, according to a landmark Australian study. Even UV doses too low to cause visible redness triggered cellular damage that could accumulate over time and contribute to skin ...

This Diet May Slow Brain Aging by 2.5 Years

Oct. 1, 2026 People who followed the MIND diet more closely showed slower brain shrinkage and less grey matter loss over time, with the strongest differences equivalent to about 2.5 years of delayed brain aging. Berries and poultry were linked with healthier ...

1 in 13 Adults Under 30 Already Had Hidden Artery Plaque

Oct. 1, 2026 More than half of 16,000 apparently healthy adults had signs of atherosclerosis, with arterial plaques already detectable in about 1 in 13 people ages 18 to 29. Researchers say directly imaging the arteries could reveal hidden cardiovascular disease ...

Alzheimer’s Risk Gene APOE4 May Have a Reversible Weakness

Oct. 1, 2026 The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in experiments, revealing promising new targets for ...

This Common Mistake Can Add Nearly 7 Points to Your Blood Pressure Reading

Sep. 30, 2026 A common mistake during blood pressure checks could make readings appear substantially higher than they really are. Johns Hopkins researchers found that leaving the arm unsupported can raise systolic readings by about 6.5 mmHg, potentially affecting ...

Forget LASIK: Safer, Cheaper Vision Correction Without Lasers or Incisions

Sep. 29, 2026 Scientists are developing a possible alternative to LASIK that reshapes the cornea without cutting it or using a laser. The technique uses a small electric potential and a specially shaped platinum lens to temporarily soften the cornea, allowing it ...

Brain Scans Reveal Which Disorders Are Linked to Faster Brain Aging

Sep. 29, 2026 A massive MRI study found that Alzheimer’s disease, mild cognitive impairment, psychiatric disorders, and addiction are associated with distinct patterns of accelerated brain aging. The strongest effects appeared in Alzheimer’s and mild ...

Hidden Stem Cells May Be Fueling Spinal Stenosis

Sep. 28, 2026 Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar spinal stenosis, these cells become unusually active and may drive the ligament overgrowth that squeezes ...

Pomegranate Compound Improves Heart Function by Up to 80% in Study

Sep. 28, 2026 A compound the body can make after eating pomegranates, walnuts, and some berries improved measures of heart function by up to 80% in animal models of a difficult-to-treat form of heart failure. Urolithin A helped stiff heart tissue relax and ...

Resetting the Body Clock Could Help the Brain Recover After Stroke

Sep. 28, 2026 Strengthening the body’s natural daily rhythms helped mice recover after stroke by improving the brain’s waste-clearing system and reducing lingering inflammation. The approach worked even when treatment began three days after the stroke, ...

Latest Headlines

updated 10:14am EDT

Scientists Found a Surprising Driver of Alzheimer’s Outside the Brain

Sep. 27, 2026 Scientists found that immune cells contributing to Alzheimer’s-related brain damage may be activated in lymph nodes outside the brain before traveling into the nervous system. Blocking this pathway ...

Glucosamine, a Popular Joint Supplement, Linked to Faster Alzheimer’s Progression

Sep. 27, 2026 A large health-record analysis found that glucosamine use was associated with a 25% higher likelihood of mild cognitive impairment progressing to ...

Atrial Fibrillation Patients Saw 69% Lower Risk With Common Blood Thinners

Sep. 27, 2026 Direct oral anticoagulants cut the risk of serious clinical events by 69% in atrial fibrillation patients with an intermediate risk of stroke, according to the randomized SINGLE-AF trial. The benefit ...

Why Rheumatoid Arthritis Pain May Persist Even When Inflammation Is Under Control

Sep. 27, 2026 Pain and fatigue in rheumatoid arthritis can persist even after inflammation improves, with depression, poor sleep, obesity, smoking, and chronic ...

Scientists Say House Cats Could Help Unlock Better Cancer Treatments for Humans

Sep. 26, 2026 Scientists have mapped the genetics of cat cancer on an unprecedented scale and found surprising similarities with tumors in humans. The findings ...

Breakthrough Drug Reverses Skin Aging and Dramatically Speeds Healing

Sep. 23, 2026 A topical drug that removes aging, damaged cells helped older mice heal skin wounds significantly faster. The treatment appeared to reactivate repair pathways involved in inflammation, collagen ...

This Emerging Treatment Could Help People Avoid Knee Replacement Surgery

Sep. 22, 2026 A minimally invasive procedure called genicular artery embolization could offer a new middle ground between conservative treatments and knee replacement for osteoarthritis. By blocking tiny blood ...

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 ...

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 ...

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. ...

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 ...

Your Next Prescription Could Be Treating a Side Effect from the Last One

Sep. 11, 2026 A major Ontario study found 24 common medication chains in which one drug’s side effects can be mistaken for a new medical problem, leading to another prescription. Researchers say closer ...

Too Much Light at Night May Quietly Reshape Your Heart

Sep. 11, 2026 Nighttime light exposure was linked to thicker, stiffer heart chambers and early signs of reduced heart function in a study of more than 11,000 people. The findings suggest that keeping bedrooms ...

UCLA Scientists Turn Cord Blood Into Powerful Cancer-Fighting T Cells

Sep. 10, 2026 UCLA researchers developed ready-made cancer-fighting T cells from cord blood stem cells that can attack solid tumors through two separate detection systems. In mice, a single dose controlled cancer ...

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 ...

Scientists Observe Einstein’s Gravity in the Quantum World for the First Time

Sep. 8, 2026 Physicists have directly observed a long-predicted quantum effect of gravity, putting one of Einstein’s foundational ideas to a striking new test. Using ultracold atoms, researchers split an ...

“Broken Heart Syndrome” Can Look Just Like a Heart Attack. This Test Can Tell Them Apart

Sep. 2, 2026 “Broken heart syndrome” can mimic a heart attack so closely that patients often need invasive testing to tell the difference. Researchers have now developed the BioTAK score, which combines ...

Hidden Gut Defect That May Explain Why IBD Keeps Coming Back

Sep. 19, 2026 Researchers have uncovered a hidden molecular warning sign of inflammatory bowel disease (IBD) that can linger even when patients feel well and appear to be in remission. By studying around 900 human ...

A Cancer Therapy Put Severe Rheumatoid Arthritis Into Remission

Aug. 29, 2026 CAR T-cell therapy dramatically reduced disease activity in six people with severe rheumatoid arthritis that had resisted other treatments, with three achieving medication-free remission. The ...

Keto Diet Cut Liver Fat by 67% in a Clinical Trial

Aug. 29, 2026 A ketogenic diet outperformed Mediterranean and low-fat diets in several measures of metabolic health during a clinical trial involving people with obesity, prediabetes, and fatty liver disease. All ...

Scientists Find a Hidden Cause of High Blood Pressure That Routine Tests Can Miss

Sep. 14, 2026 A wearable device has revealed nighttime hormone surges that may expose a frequently missed cause of high blood pressure. The discovery could help explain why primary aldosteronism often escapes ...

Who Really Needs a Heart Calcium Scan?

Sep. 12, 2026 A 10-year study of more than 6,000 adults found that popular coronary calcium scans may add little to standard heart disease risk estimates for many people. But for patients with borderline or ...

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 ...

A Hidden Compound in Healthy Foods May Worsen IBD

Sep. 12, 2026 A natural compound found in foods such as spinach, almonds, and sweet potatoes may aggravate gut inflammation in people with Crohn’s disease and ulcerative colitis because their intestines appear ...

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 ...

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 ...

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 ...

Knee Osteoarthritis Isn’t Inevitable — Here’s What You Can Do

Aug. 20, 2026 Knee osteoarthritis can seriously affect mobility and quality of life, but its progression isn’t completely out of your control. Exercise, stronger leg muscles, a healthier diet, and even modest ...

Eating More Ultra-Processed Foods May Raise Prostate Cancer Risk by 30%

Aug. 27, 2026 Ultra-processed foods make up a huge share of the American diet, and new research suggests they may carry another serious health risk for men. In a nationally representative study of more than 17,000 ...

The U.S. Eradicated This Flesh-Eating Parasite. Now It’s Back

Sep. 15, 2026 The flesh eating New World screwworm has returned to the United States, threatening livestock, wildlife, pets and potentially people as it spreads north. A new UC San Diego tracking system aims to ...