Medical Topics News

November 7, 2025

Top Headlines

Scientists Find Hidden Brain Damage from a Common Pesticide

Nov. 7, 2025 — Prenatal exposure to the insecticide chlorpyrifos causes widespread brain abnormalities and poorer motor skills in children. Even after a residential ban, ongoing agricultural use continues to endanger developing ...

The Hidden “Big Bang” That Decides How Bowel Cancer Grows

Nov. 7, 2025 — Scientists have pinpointed a “Big Bang” moment in bowel cancer—when cells first evade the immune system. This early immune escape locks in how the cancer will behave as it grows. The discovery could help predict which patients respond to ...

Scientists Discover How Hair Cells Can Help Heal Skin Faster

Nov. 7, 2025 — Rockefeller scientists uncovered how hair follicle stem cells can switch from growing hair to repairing skin when nutrients run low. The key lies in serine, an amino acid that activates a stress signal telling cells to conserve energy. When both ...

The Bright Colors in Your Food May Be Harming Your Kids

Nov. 7, 2025 — Almost 20% of packaged foods and beverages in the US contain synthetic dyes, often paired with excessive sugar to attract children. These additives have been linked to behavioral issues, yet remain widespread among major brands like Mars and ...

Rare Desert Berry Could Transform Diabetes Treatment

Nov. 7, 2025 — An extract from a desert berry used in traditional Chinese medicine restored insulin function and stabilized metabolism in diabetic mice. The findings hint at a powerful natural alternative for holistic diabetes ...

Mini Llama Proteins Show Promise for Alzheimer’s Treatment

Nov. 6, 2025 — Miniature antibodies from camels and llamas can slip into the brain more easily than conventional drugs, offering a new way to treat disorders like Alzheimer’s and schizophrenia. Researchers say these “nanobodies” could reshape the future of ...

Common Acne Drug May Protect Against Schizophrenia

Nov. 6, 2025 — Scientists have discovered a surprising benefit of the acne drug doxycycline: it may lower the risk of schizophrenia. Teens prescribed the antibiotic were about one-third less likely to develop the condition as adults. The effect could stem from the ...

Scientists Just Found a Hidden Genetic Flaw That Slowly Steals Strength

Nov. 6, 2025 — A newly identified disorder, MINA syndrome, results from a mutation in the NAMPT protein that deprives motor neurons of energy, leading to severe movement problems. The discovery not only deepens understanding of nerve cell metabolism but also ...

Scientists Find Hidden Brain Source That Fuels Dementia

Nov. 6, 2025 — Weill Cornell researchers uncovered how free radicals from astrocyte mitochondria can fuel dementia. Using new compounds that target these radicals at their source, they slowed brain inflammation and neuronal damage in mice. The findings reveal a ...

New Gel Regrows Tooth Enamel and Could Transform Dentistry

Nov. 6, 2025 — Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s strength and structure while preventing decay. It can ...

Nanotech Makes Cancer Drug 20,000x Stronger, Without Side Effects

Nov. 5, 2025 — A Northwestern team transformed a common chemotherapy drug into a powerful, targeted cancer therapy using spherical nucleic acids. The redesign dramatically boosted drug absorption and cancer-killing power while avoiding side effects. This ...

Scientists May Have Found How to Reverse Memory Loss in Aging Brains

Nov. 5, 2025 — Virginia Tech researchers have shown that memory loss in aging may be reversible. Using CRISPR tools, they corrected molecular disruptions in the hippocampus and amygdala, restoring memory in older rats. Another experiment revived a silenced memory ...

Latest Headlines

updated 11:28am EST

Wegovy in a Pill? Massive Weight Loss Results Revealed

Nov. 6, 2025 — Novo Nordisk’s oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity ...

Scientists Uncover Meditation’s Hidden Side Effects

Nov. 5, 2025 — Meditation is widely praised for its mental health benefits, but new research shows that it can also produce unexpected side effects for some people—from anxiety and dissociation to functional ...

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 ...

A Shapeshifting Protein Explains Rabies’ Deadly Power

Nov. 5, 2025 — Researchers discovered how rabies virus exerts massive control over host cells with very few genes. A key viral protein changes shape and binds RNA, allowing it to infiltrate different cellular ...

Cockroaches Are Secretly Poisoning Indoor Air

Nov. 4, 2025 — Cockroach infestations don’t just bring creepy crawlers, they fill homes with allergens and bacterial toxins that can trigger asthma and allergies. NC State researchers found that larger ...

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, ...

Tiny Molecules Could Stop Glaucoma Before It Blinds

Nov. 4, 2025 — Scientists at Mizzou have identified two small molecules, agmatine and thiamine, that could both reveal and fight glaucoma. Their research shows these compounds are lower in glaucoma patients, ...

This New Drug Candidate Might Finally Outsmart Tuberculosis

Nov. 4, 2025 — A new compound called CMX410 may change the fight against tuberculosis. It targets a weak point in the bacteria’s defenses, even in drug-resistant forms of the disease. Created using a cutting-edge ...

Walking May Be the Brain’s Best Defense Against Alzheimer’s

Nov. 4, 2025 — Walking a few thousand steps daily may help hold off Alzheimer’s for years, a Mass General Brigham study found. Even moderate physical activity slowed both cognitive decline and the buildup of ...

Sunflowers May Be the Future of "vegan Meat"

Nov. 4, 2025 — A collaboration between Brazilian and German researchers has led to a sunflower-based meat substitute that’s high in protein and minerals. The new ingredient, made from refined sunflower flour, ...

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 ...

A Groundbreaking Brain Map Could Revolutionize Parkinson’s Treatment

Nov. 3, 2025 — Duke-NUS scientists unveiled BrainSTEM, a revolutionary single-cell map that captures the full cellular diversity of the developing human brain. The project’s focus on dopamine neurons provides ...

Scientists Discover the Nutrient That Supercharges Cellular Energy

Nov. 3, 2025 — Scientists uncovered how the amino acid leucine enhances mitochondrial efficiency by preserving crucial proteins that drive energy production. By downregulating the protein SEL1L, leucine prevents ...

Your Pumpkin Might Be Hiding a Toxic Secret

Oct. 30, 2025 — Researchers in Japan have revealed how some gourds draw pollutants into their fruits. The secret lies in a protein that carries contaminants through the plant sap. By manipulating this protein’s ...

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 ...

A 25-Year Crohn’s Disease Mystery Finally Cracked by AI

Nov. 3, 2025 — UC San Diego researchers combined artificial intelligence with molecular biology to unravel how immune cells in the gut decide between inflammation and healing, a process gone awry in Crohn’s ...

It Sounds Creepy, but These Scientific Breakthroughs Could Save Lives

Oct. 30, 2025 — From mini-brains to spider-inspired gloves and wolf apple coatings, scientists are turning eerie-sounding experiments into real innovations that could revolutionize health and sustainability. ...

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 ...

This Easy Daily Habit Cuts Heart Risk by Two Thirds

Oct. 28, 2025 — New research reveals that walking in longer, uninterrupted bouts of 10–15 minutes significantly lowers cardiovascular disease risk—by up to two-thirds compared to shorter strolls. Scientists from ...

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 ...

Scientists Turn Flower Fragrance Into a Mosquito Killer

Oct. 27, 2025 — A team of researchers has developed a floral-scented fungus that tricks mosquitoes into approaching and dying. The fungus emits longifolene, a natural scent that irresistibly draws them in. It’s ...

Ancient DNA Reveals the Deadly Diseases Behind Napoleon’s Defeat

Oct. 26, 2025 — Researchers have uncovered microbial evidence in the remains of Napoleon’s soldiers from the 1812 Russian retreat. Genetic analysis revealed pathogens behind paratyphoid and relapsing fever, ...

Alzheimer’s Might Be Powered by a Broken Sleep-Wake Cycle

Nov. 3, 2025 — Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at Washington University found that the brain’s circadian rhythms are ...

Scientists Say Gluten Isn’t the Problem After All

Oct. 27, 2025 — Groundbreaking research published in The Lancet suggests that most people who believe they’re sensitive to gluten are actually reacting to other factors like FODMAPs or brain-gut dynamics. The ...

Scientists Just Made Gene Editing Far More Powerful

Oct. 25, 2025 — Scientists at The University of Texas at Austin have developed a revolutionary gene-editing method using bacterial retrons that can correct multiple disease-causing mutations at once. Unlike ...

Ozempic and Wegovy Protect the Heart, Even Without Weight Loss

Oct. 31, 2025 — Semaglutide appears to safeguard the heart even when patients lose little weight. In a massive international trial, heart attack and stroke risk dropped by 20% regardless of BMI. The benefit seems ...

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 ...

Scientists Discover COVID mRNA Vaccines Boost Cancer Survival

Oct. 28, 2025 — Researchers found that COVID-19 mRNA vaccines significantly increased survival in lung and skin cancer patients undergoing immunotherapy. The vaccine appears to prime the immune system in a powerful, ...

Cavities and Gum Disease Could Nearly Double Stroke Risk

Oct. 27, 2025 — People with both cavities and gum disease were found to have an 86% higher stroke risk than those with healthy mouths. The study followed thousands of adults for two decades, linking poor oral health ...