Health & Medicine News

July 15, 2025

Top Headlines

Weight-Loss Wonder Drug Mounjaro/Zepbound Shrinks Breast Cancer Tumors

July 15, 2025 — A cutting-edge mouse study reveals that tirzepatide, the dual GLP-1/GIP drug already hailed for impressive weight loss, does more than trim fat: it slashes the growth of obesity-linked breast tumors. University of Michigan researchers found mice ...

Fasting Twice a Week Could Be a Game-Changer for Type 2 Diabetes

July 15, 2025 — A new study comparing three popular diets—intermittent fasting, time-restricted eating, and continuous calorie cutting—found that all can help people with type 2 diabetes lose weight and lower blood sugar. But one diet stood out: the 5:2 ...

Semaglutide Melts Fat—but May Quietly Strip Away Your Strength

July 15, 2025 — Semaglutide, a popular anti-obesity drug, may come with a hidden cost: significant muscle loss, especially in women and older adults. A small study found that up to 40% of weight loss from semaglutide comes from lean body mass. Alarmingly, those who ...

Obesity Is Driving a Hidden Cancer Epidemic—13 Types and Rising Deaths Nationwide

July 15, 2025 — Obesity-related cancer deaths in the U.S. have tripled in just two decades, with women, older adults, and minority groups most affected. New research presented at ENDO 2025 highlights how ...

Sweet but Risky: Common Sweeteners May Be Accelerating Puberty in Kids

July 15, 2025 — Kids who consume artificial and natural sweeteners like aspartame, sucralose, and glycyrrhizin may face an increased risk of early puberty, especially if they carry specific genetic markers. This large-scale Taiwanese study links sweeteners to ...

One Shot, Seven Days: Long-Acting Levodopa Gel Tackles Parkinson’s Tremors

July 14, 2025 — Researchers in Australia have created a biodegradable gel that delivers Parkinson’s medications through a single weekly shot, replacing the need for multiple daily pills. Injected just under the ...

Deadly Disguise: How Candy-Like Nicotine Pouches Caused a 763% Spike in Child Poisonings

July 14, 2025 — A massive spike in young children accidentally ingesting nicotine pouches has alarmed poison control researchers, with a 763% rise reported between 2020 and 2023. Unlike other nicotine products, ...

Can Zebrafish Help Humans Regrow Hearing Cells?

July 14, 2025 — Zebrafish can regenerate sensory hair cells that humans permanently lose, like those in the inner ear linked to hearing and balance. New research reveals two specific genes that control how different supporting cells in zebrafish divide and ...

Not All Exercise Boosts Mental Health — It’s the Why That Matters Most

July 13, 2025 — Movement helps your mood, but it's not one-size-fits-all. Exercising for fun, with friends, or in enjoyable settings brings greater mental health benefits than simply moving for chores or obligations. Researchers emphasize that context — who ...

Hormone Therapy Supercharges Tirzepatide, Unleashing Major Weight Loss After Menopause

July 13, 2025 — Postmenopausal women struggling with weight loss may find a powerful solution by combining the diabetes drug tirzepatide with menopause hormone therapy. A Mayo Clinic study revealed that this dual ...

Not Just Diabetes: How Slightly High Blood Sugar Wrecks Men’s Sexual Health

July 13, 2025 — Aging men aren't just battling time—they're up against rising blood sugar. New research reveals that subtle increases in metabolic markers like glucose have more influence on declining sexual ...

Tirzepatide: The Weight-Loss Drug That Also Shrinks Breast Tumors in Mice

July 13, 2025 — In a striking new study, the anti-obesity drug tirzepatide, known as Mounjaro and Zepbound, not only triggered significant weight loss in obese mice but also slashed breast cancer tumor growth. The research, presented at ENDO 2025, links body fat ...

Latest Headlines

updated 9:29am EDT

Princeton Study Maps 200,000 Years of Human–Neanderthal Interbreeding

July 13, 2025 — For centuries, we’ve imagined Neanderthals as distant cousins — a separate species that vanished long ago. But thanks to AI-powered genetic research, scientists have revealed a far more entangled ...

Florida Cat Sniffs out Another New Virus—and Scientists Are Listening

July 12, 2025 — A cat named Pepper has once again helped scientists discover a new virus—this time a mysterious orthoreovirus found in a shrew. Researchers from the University of Florida, including virologist John ...

Scientists Just Found 200+ Hidden Proteins That May Drive Alzheimer’s

July 12, 2025 — A surprising new study has uncovered over 200 misfolded proteins in the brains of aging rats with cognitive decline, beyond the infamous amyloid and tau plaques long blamed for Alzheimer’s. These ...

It’s Never Too Late: Just Moving More Could Add Years to Your Life

July 12, 2025 — Adopting a physically active lifestyle at any stage of adulthood significantly lowers your risk of dying from any cause, especially from cardiovascular disease. A sweeping analysis of 85 studies ...

Researchers Grow 400+ Brain Cell Types—a Leap for Alzheimer’s and Parkinson’s Research

July 12, 2025 — Scientists at ETH Zurich have broken new ground by generating over 400 types of nerve cells from stem cells in the lab, far surpassing previous ...

This Tiny Brain Molecule Could Hold the Key to Learning, Memory—and Alzheimer’s Treatment

July 12, 2025 — A team of researchers has discovered that a protein called cypin plays a powerful role in helping brain cells connect and communicate, which is ...

Breakthrough Microchip Reveals How Your Body Fights Viruses—in Just 90 Minutes

July 12, 2025 — A team at Scripps Research has created a microchip that can rapidly reveal how a person's antibodies respond to viruses using only a drop of blood. ...

The First Pandemic? Scientists Find 214 Ancient Pathogens in Prehistoric DNA

July 11, 2025 — Scientists have uncovered DNA from 214 ancient pathogens in prehistoric humans, including the oldest known evidence of plague. The findings show ...

In Seconds, AI Builds Proteins to Battle Cancer and Antibiotic Resistance

July 11, 2025 — Artificial intelligence is now designing custom proteins in seconds—a process that once took years—paving the way for cures to diseases like cancer and antibiotic-resistant infections. Australian ...

How a Hidden Brain Circuit Fuels Fibromyalgia, Migraines, and PTSD

July 10, 2025 — What if your brain is the reason some pain feels unbearable? Scientists at the Salk Institute have discovered a hidden brain circuit that gives pain its emotional punch—essentially transforming ...

Lemurs Age Without Inflammation—and It Could Change Human Health Forever

July 10, 2025 — What if humans didn’t have to suffer the slow-burning fire of chronic inflammation as we age? A surprising study on two types of lemurs found no evidence of "inflammaging," a phenomenon ...

This Tiny Implant Could Save Diabetics from Silent, Deadly Crashes

July 10, 2025 — MIT engineers have developed a tiny implantable device that could revolutionize emergency treatment for people with Type 1 diabetes. The device contains a powdered form of glucagon and can be ...

The Sleep-Heart Link Doctors Are Urging Women Over 45 to Know

July 9, 2025 — Midlife sleep habits may matter more than previously thought. A large study finds that poor sleep, alongside high blood pressure and nicotine use, sharply increases the risk of heart problems in ...

Your Brain’s Hidden Defenses Against Alzheimer’s

July 10, 2025 — Scientists at UCSF combined advanced brain-network modeling, genetics, and imaging to reveal how tau protein travels through neural highways and how certain genes either accelerate its toxic journey ...

This Muscle Supplement Could Rewire the Brain—and Now Scientists Can Deliver It

July 9, 2025 — Creatine isn’t just for gym buffs; Virginia Tech scientists are using focused ultrasound to sneak this vital energy molecule past the blood-brain barrier, hoping to reverse devastating creatine ...

Bigger Crops, Fewer Nutrients: The Hidden Cost of Climate Change

July 9, 2025 — Climate change is silently sapping the nutrients from our food. A pioneering study finds that rising CO2 and higher temperatures are not only reshaping how crops grow but are also degrading their ...

Matching Your Workouts to Your Personality Could Make Exercising More Enjoyable and Give You Better Results

July 9, 2025 — Less than a quarter of us hit WHO activity targets, but a new UCL study suggests the trick may be matching workouts to our personalities: extroverts thrive in high-energy group sports, neurotics ...

Hate Exercise? Neuroscience Maps the Routine Your Personality Will Love

July 8, 2025 — A new UCL study reveals that aligning workouts with personality boosts fitness and slashes stress—extroverts thrive on HIIT, neurotics favor short, private bursts, and everyone benefits when ...

Alzheimer’s Doesn’t Strike at Random: These 4 Early-Warning Patterns Tell the Story

July 7, 2025 — UCLA scientists mined millions of electronic health records and uncovered four distinct “roadways” that funnel people toward Alzheimer’s—ranging from mental-health struggles to vascular ...

Frozen Light Switches: How Arctic Microbes Could Revolutionize Neuroscience

July 5, 2025 — In the frozen reaches of the planet—glaciers, mountaintops, and icy groundwater—scientists have uncovered strange light-sensitive molecules in tiny microbes. These “cryorhodopsins” can ...

New Research Shows Monday Stress Is Etched Into Your Biology

July 7, 2025 — Feeling jittery as the week kicks off isn’t just a mood—it leaves a biochemical footprint. Researchers tracked thousands of older adults and found those who dread Mondays carry elevated cortisol ...

Multisensory VR Forest Reboots Your Brain and Lifts Mood—study Confirms

July 6, 2025 — Immersing stressed volunteers in a 360° virtual Douglas-fir forest complete with sights, sounds and scents boosted their mood, sharpened short-term memory and deepened their feeling of ...

Pregnancy’s 100-Million-Year Secret: Inside the Placenta’s Evolutionary Power Play

July 6, 2025 — A group of scientists studying pregnancy across six different mammals—from humans to marsupials—uncovered how certain cells at the mother-baby boundary have been working together for over 100 ...

The Surprising Link Between Hearing Loss, Loneliness, and Lifespan

July 5, 2025 — People who treat hearing loss with hearing aids or cochlear implants regain rich conversations, escape isolation, and may even protect their brains and lifespans—proof that better hearing ...

New Research Confirms That Neurons Form in the Adult Brain

July 4, 2025 — Researchers from Sweden have discovered that the human brain continues to grow new cells in the memory region—called the hippocampus—even into old age. Using advanced tools to examine brain ...

Scientists Just Found a Major Flaw in a Key COVID Drug Study

July 4, 2025 — A promising path to fighting COVID and other coronaviruses may have been based on a serious mistake. Scientists had zeroed in on a part of the virus called the NiRAN domain, believed to be a powerful ...

AI Spots Deadly Heart Risk Most Doctors Can't See

July 3, 2025 — An advanced Johns Hopkins AI model called MAARS combs through underused heart MRI scans and complete medical records to spot hidden scar patterns that signal sudden cardiac death, dramatically ...

Sweet-Smelling Molecule Halts Therapy-Resistant Pancreatic Cancer

July 3, 2025 — A compound best known for giving almonds and apricots their aroma may be the key to defeating hard-to-kill cancer cells. Japanese researchers found that benzaldehyde can stop the shape-shifting ...

Deafness Reversed: Single Injection Brings Hearing Back Within Weeks

July 2, 2025 — A cutting-edge gene therapy has significantly restored hearing in children and adults with congenital deafness, showing dramatic results just one month after a single injection. Researchers used a ...

This Sun-Powered Sponge Pulls Drinking Water Straight from the Ocean

July 3, 2025 — In a leap toward sustainable desalination, researchers have created a solar-powered sponge-like aerogel that turns seawater into drinkable water using just sunlight and a plastic cover. Unlike ...