Medical Topics News

August 5, 2025

Top Headlines

This Diet Helped People Lose Twice as Much Weight, Without Eating Less

Aug. 5, 2025 — People eating minimally processed foods lost twice as much weight as those on ultra-processed diets, even though both diets were nutritionally balanced and participants could eat freely. This real-world, long-term study revealed that food processing ...

Johns Hopkins Scientists Grow a Mini Human Brain That Lights Up and Connects Like the Real Thing

Aug. 4, 2025 — Scientists at Johns Hopkins have grown a first-of-its-kind organoid mimicking an entire human brain, complete with rudimentary blood vessels and neural activity. This new "multi-region brain ...

Alzheimer’s Risk May Start at the Brain’s Border, Not Inside It

Aug. 4, 2025 — Your brain has its own elite defense team — and new research shows these "guardian" cells might be the real battleground for neurological diseases like Alzheimer’s and stroke. Scientists discovered that most genetic risks linked to these ...

Researchers Discover Key Social Factors That Triple Long COVID Risk

Aug. 4, 2025 — New research led by Mass General Brigham reveals that people facing social challenges—like food insecurity, financial strain, and limited healthcare access—are two to three times more likely to develop long ...

Lupus Often Fades With Age. Scientists Finally Know Why

Aug. 4, 2025 — Lupus, a relentless autoimmune disease, appears to mellow with age. While it aggressively targets organs with runaway interferon signaling in younger adults, researchers at UCSF have found that the aging process itself may naturally tone down these ...

Perfectly Timed Cancer Combo Wipes out Tumors by Supercharging the Immune System

Aug. 4, 2025 — Head and neck cancer, notoriously hard to treat, might have a new weakness—timing. Researchers discovered that syncing radiation and immunotherapy in just the right way can make tumors disappear in ...

Breakthrough Lung Cancer Treatment Supercharges Immune Cells With Mitochondria

Aug. 3, 2025 — Scientists have found a way to supercharge lung cancer treatment by transplanting healthy mitochondria into tumors, which both boosts immune response and makes chemotherapy far more effective. By ...

This Vaccine Uses Dental Floss Instead of Needles

Aug. 3, 2025 — Scientists have discovered that flossing between your teeth could one day help vaccinate you. By targeting a uniquely permeable gum tissue called the junctional epithelium, this new method stimulates immunity right where many infections enter: the ...

This New Drug Could Help PTSD Patients Finally Let Go of Trauma

Aug. 3, 2025 — Researchers discovered that PTSD may be driven by excess GABA from astrocytes, not neurons. This chemical imbalance disrupts the brain’s ability to forget fear. A new drug, KDS2010, reverses this effect in mice and is already in human trials. It ...

Weight Loss Drug Ozempic Could Protect the Brain from Stroke

Aug. 3, 2025 — Could popular diabetes and weight loss drugs like Ozempic actually protect your brain from stroke damage, or prevent strokes altogether? Three new studies presented at a major neurosurgery conference suggest they ...

Fatigue, Anxiety, Pain? They Might Be MS in Disguise

Aug. 2, 2025 — New research suggests that multiple sclerosis (MS) may quietly begin affecting the body up to 15 years before the first obvious neurological symptoms appear. Researchers found a steady increase in healthcare visits related to vague symptoms like ...

This Sugar Molecule Could Stop Type 1 Diabetes, by Fooling the Immune System

Aug. 2, 2025 — In a fascinating twist, Mayo Clinic researchers discovered that a sugar molecule cancer cells use to hide from the immune system might also protect insulin-producing beta cells in type 1 diabetes. By ...

Latest Headlines

updated 11:51am EDT

Hidden Gene in Leukemia Virus Could Revolutionize HIV Treatment

Aug. 2, 2025 — Scientists in Japan have discovered a genetic "silencer" within the HTLV-1 virus that helps it stay hidden in the body, evading the immune system for decades. This silencer element essentially turns ...

Found in the Trash: A Super Opioid 1000x Stronger Than Morphine

Aug. 1, 2025 — A powerful new synthetic opioid, up to 1000 times stronger than morphine, has emerged in Adelaide’s street drug supply, and researchers are sounding the alarm. Nitazenes, often hidden in heroin or ...

Did Drunk Apes Help Us Evolve? New Clues Reveal Why We Digest Alcohol So Well

Aug. 1, 2025 — Ape behavior just got a name upgrade — “scrumping” — and it might help explain why humans can handle alcohol so well. Researchers discovered ...

Unwanted Pregnancies Surge With Alcohol, but Not With Cannabis, Study Finds

Aug. 1, 2025 — Women who drank heavily, even though they strongly wished to avoid pregnancy, were 50% more likely to become pregnant than those who drank little or not at all, according to new research. ...

4,000-Year-Old Teeth Reveal the Earliest Human High — Hidden in Plaque

Aug. 1, 2025 — Scientists have discovered the oldest direct evidence of betel nut chewing in Southeast Asia by analyzing 4,000-year-old dental plaque from a burial in Thailand. This breakthrough method reveals ...

Reversing Alzheimer's Damage: Two Cancer Drugs Demonstrate Surprising Power

July 31, 2025 — In an exciting breakthrough, researchers have identified cancer drugs that might reverse the effects of Alzheimer's disease in the brain. By analyzing gene expression in brain cells, they discovered ...

Fat Melts Away, but So Does Muscle: What Ozempic Users Need to Know

July 31, 2025 — GLP-1 drugs like Ozempic are transforming weight loss, but a new UVA study warns they're not improving a critical measure of health: cardiorespiratory fitness. While these medications help people ...

Pain Relief Without Pills? VR Nature Scenes Trigger the Brain’s Healing Switch

July 31, 2025 — Stepping into a virtual forest or waterfall scene through VR could be the future of pain management. A new study shows that immersive virtual nature ...

Max-Dose Statins Save Lives—here’s Why Doctors Are Starting Strong

July 30, 2025 — Potent statins are the best-proven weapon against heart disease, especially when paired with lifestyle changes. Most people aren’t active enough—and many are underdiagnosed—so starting ...

Why Cold Feels Good: Scientists Uncover the Chill Pathway

July 30, 2025 — A newly mapped neural circuit shows how our skin senses cool temperatures and sends that info to the brain, revealing an unexpected amplifier in the spinal cord and offering insight into cold-related ...

The Pandemic’s Secret Aftershock: Inside the Gut-Brain Breakdown

July 30, 2025 — A new global study reveals a striking post-pandemic surge in gut-brain disorders like IBS and functional dyspepsia. Researchers compared data from 2017 and 2023 and discovered sharp increases IBS up ...

Walk Faster, Live Longer: How Just 15 Minutes a Day Can Boost Lifespan

July 29, 2025 — Fast walking, even just 15 minutes a day, can dramatically reduce the risk of death, especially from heart disease, according to a large study involving nearly 80,000 low-income and predominantly ...

This Gut Hormone Could Explain 40% of IBS-D Cases—and Lead to a Cure

July 29, 2025 — A mysterious gut hormone may be behind many cases of chronic diarrhea, especially in people with undiagnosed bile acid malabsorption, a condition often mistaken for irritable bowel syndrome. ...

The 0.05% RNA Process That Makes Cancer Self-Destruct

July 30, 2025 — A group of Australian scientists has uncovered a new way to fight some of the toughest cancers by targeting an overlooked cellular process called minor splicing. This tiny but vital mechanism turns ...

Your Sleep Schedule Could Be Making You Sick, Says Massive New Study

July 29, 2025 — A global study of over 88,000 adults reveals that poor sleep habits—like going to bed inconsistently or having disrupted circadian rhythms—are tied to dramatically higher risks for dozens of ...

Think It’s Just Aging? Why Dementia Is Missed for 3.5 Years on Average

July 27, 2025 — Many people with dementia endure long delays often over 3 years before receiving a diagnosis, with even longer waits for younger patients. A global review of over 30,000 cases reveals that age, ...

Columbia Scientists Turn Yogurt Into a Healing Gel That Mimics Human Tissue

July 29, 2025 — Scientists at Columbia Engineering have developed an injectable hydrogel made from yogurt-derived extracellular vesicles (EVs) that could revolutionize regenerative medicine. These EVs serve both as ...

Can AI Predict Cancer? New Model Uses Genomics to Simulate Tumors

July 27, 2025 — A team of scientists has developed a remarkable new approach to modeling how cells behave over time—using a digital "forecast" much like predicting the weather. By combining patient ...

COVID Vaccines Saved 2. 5M Lives Globally—a Death Averted Per 5,400 Shots

July 27, 2025 — Between 2020 and 2024, COVID-19 vaccines saved 2.5 million lives globally, preventing one death for every 5,400 doses. A groundbreaking worldwide study led by researchers from Università Cattolica ...

Scientists Discover the Receptor That Helps Your Brain Clean Itself—and Fight Alzheimer’s

July 27, 2025 — Scientists at UCSF have uncovered how certain immune cells in the brain, called microglia, can effectively digest toxic amyloid beta plaques that cause Alzheimer’s. They identified a key receptor, ...

Scientists Just Invented a Safer Non-Stick Coating—and It’s Inspired by Arrows

July 27, 2025 — Scientists at the University of Toronto have developed a new non-stick material that rivals the performance of traditional PFAS-based coatings while using only minimal amounts of these controversial ...

Is the Air You Breathe Silently Fueling Dementia? A 29-Million-Person Study Says Yes

July 27, 2025 — Air pollution isn't just bad for your lungs—it may be eroding your brain. In a sweeping review covering nearly 30 million people, researchers found that common pollutants like PM2.5, nitrogen ...

AI Turns Immune Cells Into Precision Cancer Killers—in Just Weeks

July 24, 2025 — A breakthrough AI system is revolutionizing cancer immunotherapy by enabling scientists to design protein-based keys that train a patient s immune cells to attack cancer with extreme precision. This ...

Millipedes Make Ants Dizzy — and Might Soon Treat Human Pain

July 25, 2025 — Millipedes, often dismissed as creepy crawlies, may hold the secret to future painkillers and neurological drugs. Researchers at Virginia Tech discovered unique alkaloid compounds in the defensive ...

The Plant Virus That Trains Your Immune System to Kill Cancer

July 25, 2025 — A virus from humble black-eyed peas is showing extraordinary promise in the fight against cancer. Unlike other plant viruses, the cowpea mosaic virus (CPMV) can awaken the human immune system and ...

7000 Steps a Day Cuts Death Risk by 47%—and That Might Be All You Need

July 27, 2025 — Walking 7000 steps a day may be just as powerful as hitting the much-hyped 10,000-step goal when it comes to reducing the risk of early death and disease. A sweeping global review of 57 studies shows ...

Ivermectin: The Mosquito-Killing Pill That Dropped Malaria by 26%

July 26, 2025 — A groundbreaking study has revealed that the mass administration of ivermectin—a drug once known for treating river blindness and scabies—can significantly reduce malaria transmission when used ...

Cancer Cells Go Up in Flames—thanks to This Deep-Sea Sugar

July 23, 2025 — Scientists have discovered a sugar compound from deep-sea bacteria that can destroy cancer cells in a dramatic way. This natural substance, produced by microbes living in the ocean, causes cancer ...

The Fungus That Makes Bread Better for You

July 23, 2025 — Scientists have discovered that pairing bread wheat with a special soil fungus can significantly enhance its nutritional value. This partnership leads to bigger grains rich in zinc and ...

People With Eating Disorders Say Cannabis and Psychedelics Help More Than Antidepressants

July 24, 2025 — A massive global survey has revealed that people with eating disorders often turn to cannabis and psychedelics like magic mushrooms and LSD to ease their symptoms, rating them more effective than ...