Today's Healthcare News

November 22, 2025

Top Headlines

New Evidence Shows Tirzepatide and Semaglutide Strongly Protect the Heart

Nov. 21, 2025 A massive real-world study comparing tirzepatide and semaglutide reveals both drugs deliver strong, early cardiovascular protection—reducing heart attack, stroke, and death in adults with type 2 diabetes. While companies have claimed large ...

A Drug Already in Trials May Stop Chemotherapy Nerve Damage

Nov. 21, 2025 Researchers discovered that chemotherapy can accidentally trigger a stress alarm in immune cells, causing inflammation that damages nerves. Blocking this alarm protected mice from nerve pain and kept their nerves healthier. A drug already being ...

Nearly 47 Million Americans Live Near Hidden Fossil Fuel Sites

Nov. 20, 2025 A nationwide analysis has uncovered how sprawling fossil fuel infrastructure sits surprisingly close to millions of American homes. The research shows that 46.6 million people live within about a mile of wells, refineries, pipelines, storage sites, ...

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 Silent Kidney Crisis Is Spreading Faster Than Anyone Expected

Nov. 18, 2025 Chronic kidney disease has surged to nearly 800 million cases and is now among the top causes of death worldwide. The condition is heavily linked to diabetes, hypertension, and obesity, and often goes unnoticed until late stages. Many countries lack ...

Blocking One Enzyme May Break the Link Between Alcohol and Liver Disease

Nov. 18, 2025 Scientists discovered that alcohol activates a sugar-producing pathway in the body, creating fructose that may reinforce addictive drinking. The enzyme responsible, KHK, appears to drive both alcohol cravings and liver injury. When this enzyme was ...

Amazon Scorpion Venom Shows Stunning Power Against Breast Cancer

Nov. 18, 2025 Scientists are turning venom, radioisotopes, engineered proteins, and AI into powerful new tools against cancer. From Amazonian scorpions yielding molecules that kill breast cancer cells as effectively as chemotherapy, to improved fibrin sealants ...

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 ...

Chronic Pain May Dramatically Raise Your Blood Pressure

Nov. 17, 2025 Chronic pain might quietly push people toward developing high blood pressure—and the more widespread the pain, the greater the danger. A massive analysis of over 200,000 adults uncovered strong links between long-lasting pain, depression, ...

CRISPR Brings Back Ancient Gene That Prevents Gout and Fatty Liver

Nov. 14, 2025 By reactivating a long-lost gene, researchers were able to lower uric acid levels and stop damaging fat accumulation in human liver models. The breakthrough hints at a future where gout and several metabolic diseases could be prevented at the ...

Hidden Household Toxin Triples Liver Disease Risk, Study Finds

Nov. 12, 2025 Scientists have uncovered a new environmental culprit behind liver disease: tetrachloroethylene (PCE), a chemical used in dry cleaning and household products. The study found that people with PCE exposure were three times more likely to develop ...

New Study Finds Ozempic and Mounjaro Protect the Heart Too

Nov. 12, 2025 New research from the Technical University of Munich and Harvard Medical School reveals that popular GLP-1-based drugs, semaglutide (Ozempic) and tirzepatide (Mounjaro), not only promote weight loss but also significantly reduce the risk of heart ...

Latest Headlines

updated 5:37am EST

This Tiny Pill Could Change How We Diagnose Gut Health

Nov. 21, 2025 Tiny ingestible spheres filled with engineered bacteria can detect intestinal bleeding by glowing when they encounter heme. Early tests in mice suggest they could become a quick, noninvasive way to ...

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 ...

Scientists Uncover a Surprising Protein That Heals Stubborn Wounds

Nov. 17, 2025 Researchers have uncovered that SerpinB3, typically linked to severe cancers, is also a key player in natural wound healing. The protein drives skin cell movement and tissue rebuilding, especially ...

GLP-1 Drugs Like Ozempic Deliver Huge Weight Loss but New Research Reveals a Hidden Catch

Nov. 16, 2025 GLP-1 drugs like tirzepatide and semaglutide offer powerful weight-loss effects but come with unanswered questions about long-term safety, side ...

Scientists Reverse Kidney Damage in Mice, Hope for Humans Next

Nov. 14, 2025 Researchers uncovered how fatty molecules called ceramides trigger acute kidney injury by damaging the mitochondria that power kidney cells. By altering ceramide metabolism or using a new drug ...

Strange Microscopic Structures Found in Long COVID Blood

Nov. 13, 2025 Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots tangled together with sticky immune webs known as neutrophil ...

Scientists Turn Body Fat Into Bone to Heal Spinal Fractures

Nov. 11, 2025 Researchers in Osaka have found that stem cells from fat tissue can repair spinal fractures similar to those caused by osteoporosis. By turning these cells into bone-forming clusters and pairing them ...

New Online Tool Can Predict How Well Blood Pressure Drugs Will Work

Nov. 9, 2025 A new blood pressure calculator built on extensive clinical trial data helps doctors accurately estimate how much each medication will reduce blood pressure. The tool simplifies complex treatment ...

Doctors Found a Way to Stop a Deadly Metformin Reaction

Nov. 9, 2025 A hospital in Thailand created a quick-action dialysis protocol for patients with metformin-associated lactic acidosis, a dangerous reaction to a common diabetes drug. The program sharply reduced ...

Stanford Makes Stem Cell Transplants Safer Without Chemo

Nov. 7, 2025 A Stanford-led team has replaced toxic pre-transplant chemotherapy with a targeted antibody, allowing children with Fanconi anemia to receive stem cell transplants safely. The antibody, briquilimab, ...

Scientists Shocked to Find E. Coli Spreads as Fast as the Swine Flu

Nov. 4, 2025 Researchers have, for the first time, estimated how quickly E. coli bacteria can spread between people — and one strain moves as fast as swine flu. Using genomic data from the UK and Norway, ...

Think Melatonin Is Safe? New Research Reveals a Hidden Heart Risk

Nov. 4, 2025 Long-term melatonin use for sleep problems may come with unexpected heart dangers. Researchers found that chronic users were almost twice as likely to die and 3.5 times more likely to be hospitalized ...

Your Bedroom Glow Might Be Quietly Damaging Your Heart

Nov. 3, 2025 Boston researchers linked nighttime light exposure to greater stress-related brain activity and inflamed arteries, signaling a higher risk of heart disease. The study suggests that artificial light ...

Most Americans Don’t Know Alcohol Can Cause Cancer

Nov. 5, 2025 Most U.S. adults don’t realize alcohol raises cancer risk, and drinkers themselves are the least aware. Scientists say targeting these misbeliefs could significantly reduce alcohol-related cancer ...

Ancient Viruses Hidden Inside Bacteria Could Help Defeat Modern Infections

Nov. 3, 2025 Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that ...

Scientists Find Hidden Antibiotic 100x Stronger Against Deadly Superbugs

Oct. 29, 2025 A team of scientists discovered a hidden antibiotic 100 times stronger than existing drugs against deadly superbugs like MRSA. The molecule had been overlooked for decades in a familiar bacterium. It ...

Your Eyes Could Reveal How Fast You’re Aging, Scientists Say

Nov. 3, 2025 Researchers at McMaster University have discovered that the eyes may offer a powerful, non-invasive way to assess heart health and biological aging. By analyzing retinal scans alongside genetic and ...

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 ...

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 ...

Scientists Find Immune Drug That Could Halt Skin Cancer’s Deadly Spread

Oct. 20, 2025 Researchers found that pembrolizumab, an immune-activating cancer drug, lowered the risk of distant metastases in patients with Merkel cell carcinoma after surgery. Though recurrence rates overall ...

Tiny AI-Powered Eye Implant Helps the Blind See Again

Oct. 20, 2025 A groundbreaking retinal implant called PRIMA has enabled blind patients with dry AMD to read again. The chip, powered by light and paired with AR glasses, sends visual data directly to the brain. In ...

You Might Look Healthy, but Hidden Fat Could Be Silently Damaging Your Heart

Oct. 23, 2025 McMaster researchers found that deep abdominal and liver fat can quietly damage arteries, even in people who appear fit. Their MRI-based study of over 33,000 adults shows these fats are closely ...

Scientists Just Found the Lung’s Hidden Self-Healing Switch

Oct. 24, 2025 Researchers uncovered how lung cells decide whether to rebuild tissue or fight infection. This built-in “switch” may be the key to restoring the lungs’ natural repair ability. The discovery ...

Can Ozempic Help You Cut Back on Alcohol? Researchers Think So

Oct. 18, 2025 Semaglutide, tirzepatide, and other GLP-1 drugs appear to slow alcohol absorption and blunt its intoxicating effects, according to new research. The study found participants on these medications felt ...

Scientists Grow Mini Human Livers That Predict Toxic Drug Reactions

Oct. 15, 2025 A new human liver organoid microarray developed by Cincinnati Children’s and Roche recreates immune-driven liver injury in the lab. Built from patient-derived stem cells and immune cells, it ...

Your Brain’s Power Supply May Hold the Key to Mental Illness

Oct. 14, 2025 Groundbreaking Harvard research is exposing hidden energy failures inside brain cells that may drive major psychiatric conditions. By studying reprogrammed neurons, scientists are revealing how ...

C-Section Births Linked to Sleepless Nights and Painful Recoveries

Oct. 13, 2025 Women who undergo C-sections are more likely to experience debilitating pain and sleep disorders in the months after giving birth. Researchers found both qualitative and large-scale data supporting ...

Your Skin Could Warn of Hidden Mental Health Trouble

Oct. 13, 2025 People experiencing their first psychotic episode who also have skin conditions such as rashes or itching are at greater risk of depression and suicidal thoughts, according to new research presented ...