Human Biology News

December 24, 2025

Top Headlines

Your Roommate’s Genes May Be Shaping Your Gut Bacteria

Dec. 23, 2025 Scientists studying thousands of rats discovered that gut bacteria are shaped by both personal genetics and the genetics of social partners. Some genes promote certain microbes that can spread between individuals living together. When researchers ...

MIT Scientists Strip Cancer of Its Sugar Shield

Dec. 23, 2025 Scientists at MIT and Stanford have unveiled a promising new way to help the immune system recognize and attack cancer cells more effectively. Their strategy targets a hidden “off switch” that tumors use to stay invisible to immune ...

A New Tool Is Revealing the Invisible Networks Inside Cancer

Dec. 21, 2025 Spanish researchers have created a powerful new open-source tool that helps uncover the hidden genetic networks driving cancer. Called RNACOREX, the software can analyze thousands of molecular interactions at once, revealing how genes communicate ...

The 98% Mystery: Scientists Just Cracked the Code on “Junk DNA” Linked to Alzheimer’s

Dec. 19, 2025 Researchers have revealed that so-called “junk DNA” contains powerful switches that help control brain cells linked to Alzheimer’s disease. By experimentally testing nearly 1,000 DNA switches ...

Scientists Found a New Way to Slow Aging Inside Cells

Dec. 19, 2025 A small tweak to mitochondrial energy production led to big gains in health and longevity. Mice engineered to boost a protein that helps mitochondria work more efficiently lived longer and showed better metabolism, stronger muscles, and healthier ...

A Hidden T Cell Switch Could Make Cancer Immunotherapy Work for More People

Dec. 18, 2025 Scientists have discovered that T cell receptors activate through a hidden spring-like motion that had never been seen before. This breakthrough may help explain why immunotherapy works for some cancers and how it could be improved for ...

This Tiny Protein Helps Control How Hungry You Feel

Dec. 17, 2025 Researchers have identified a previously overlooked protein that helps regulate appetite and energy use in the body. This “helper” protein supports a key system that decides whether the body burns energy or stores it, and when it does not ...

New Study Reveals How Kimchi Boosts the Immune System

Dec. 17, 2025 Kimchi may do far more than add flavor to meals—it could help fine-tune the human immune system. A clinical study using advanced single-cell genetic analysis found that regular kimchi consumption strengthens immune defenses while preventing ...

Scientists Reveal Why Some Brains Stop Growing Too Soon

Dec. 17, 2025 Researchers used miniature human brains grown in the lab to uncover why certain genetic mutations lead to abnormally small brains. Changes in actin disrupted the orientation of early brain cell divisions, causing crucial progenitor cells to ...

Scientists Find the Missing Links Between Genes and Disease

Dec. 16, 2025 A new genetic mapping strategy reveals how entire networks of genes work together to cause disease, filling in the missing links left by traditional genetic studies. The technique could transform how scientists identify drug targets for complex ...

AI Learns to Decode the Diseases Written in Your DNA

Dec. 16, 2025 A newly developed AI can predict which diseases specific genetic mutations are likely to cause, not just whether they are harmful. The breakthrough could speed up diagnoses and open new paths for personalized ...

AI Found a Way to Stop a Virus Before It Enters Cells

Dec. 15, 2025 Researchers discovered a hidden molecular “switch” that herpes viruses rely on to invade cells. By combining AI, simulations, and lab experiments, they identified and altered a single amino acid that shut down viral entry. What once might have ...

Latest Headlines

updated 5:10am EST

New Study Shows Some Plant-Based Diets May Raise Heart Disease Risk

Dec. 15, 2025 Researchers tracking over 63,000 adults found that high-quality, minimally processed plant foods significantly reduce cardiovascular risk. But when those plant foods are ultra-processed, the ...

Anxiety and Insomnia Linked to Sharp Drops in Key Immune Cells

Dec. 15, 2025 Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia found that ...

Indoor Tanning Triples Melanoma Risk and Seeds Broad DNA Mutations

Dec. 15, 2025 Researchers discovered that tanning beds cause widespread, mutation-laden DNA damage across almost all skin, explaining the sharply increased melanoma risk. Single-cell genomic analysis revealed ...

New Discovery Offers Real Hope for Rare Genetic Disease

Dec. 12, 2025 Scientists discovered that certain gene changes allow cells to function even when frataxin, the protein lost in Friedreich’s ataxia, is missing. Experiments in worms, human cells, and mice revealed ...

Scientists Uncover a Hidden Protein Behind Deadly Mystery Diseases

Dec. 11, 2025 Scientists discovered that the protein RPA plays a critical and previously unconfirmed role in stimulating telomerase to maintain long, healthy telomeres. When RPA malfunctions, telomeres can shorten ...

Gene-Edited CAR-T Cells Erase Aggressive T-Cell Leukemia

Dec. 11, 2025 A cutting-edge therapy using base-edited immune cells is offering a major breakthrough for patients with one of the toughest forms of blood cancer, T-cell acute lymphoblastic leukaemia. By precisely ...

Simple Supplement Mix Shows Remarkable Results in Brain Cancer

Dec. 10, 2025 New research is challenging one of medicine’s oldest assumptions: that cancer must be attacked to be cured. By treating glioblastoma patients with a simple combination of resveratrol and copper, ...

New Study Finds a Silent Genetic Heart Risk Hidden in Millions

Dec. 8, 2025 A large Mayo Clinic study shows that current guidelines fail to detect nearly 90% of people with familial hypercholesterolemia, a common inherited cause of dangerously high cholesterol. Many affected ...

Humans Are Built for Nature Not Modern Life

Dec. 8, 2025 Human biology evolved for a world of movement, nature, and short bursts of stress—not the constant pressure of modern life. Industrial environments overstimulate our stress systems and erode both ...

Scientists Say This Viral Rosemary Skincare Trend Actually Works

Dec. 7, 2025 Researchers have found scientific support for the viral claim that rosemary can improve wound healing. Carnosic acid, a natural antioxidant in rosemary, promoted scar-free healing in mice by ...

Scientists Find Hidden Layers in Brain’s Memory Center

Dec. 6, 2025 Scientists uncovered a surprising four-layer structure hidden inside the hippocampal CA1 region, one of the brain’s major centers for memory, navigation, and emotion. Using advanced RNA imaging ...

Experimental RNA Treatment Shows Surprising DNA Repair Power

Dec. 5, 2025 Cedars-Sinai scientists have created a new experimental drug called TY1 that helps the body repair damaged DNA and restore injured tissue. The discovery came from studying tiny molecular messages ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Bird Flu’s Surprising Heat Tolerance Has Scientists Worried

Nov. 28, 2025 Researchers discovered why bird flu can survive temperatures that stop human flu in its tracks. A key gene, PB1, gives avian viruses the ability to replicate even at fever-level heat. Mice ...

A Long-Overlooked Weak Point in Your DNA Has Just Been Revealed

Dec. 3, 2025 Scientists discovered that the first 100 base pairs of human genes are unusually prone to mutations, especially during the earliest stages of embryonic development. These mosaic mutations often go ...

Your Body May Already Have a Molecule That Helps Fight Alzheimer’s

Nov. 27, 2025 Spermine, a small but powerful molecule in the body, helps neutralize harmful protein accumulations linked to Alzheimer’s and Parkinson’s. It encourages these misfolded proteins to gather into ...

Nanoflowers Supercharge Stem Cells to Recharge Aging Cells

Nov. 27, 2025 Texas A&M researchers found a way to make stem cells produce double the normal number of mitochondria using nanoflower particles. These energized stem cells then transfer their surplus “power ...

New Nasal Nanodrops Wipe out Brain Tumors in Mice

Nov. 22, 2025 A new nasal-delivered nanotherapy shows promise against aggressive glioblastoma tumors. By activating the STING immune pathway using gold-core spherical nucleic acids, researchers were able to reach ...

Hidden Mitochondrial DNA Damage May Be a Missing Link in Disease

Nov. 28, 2025 Researchers identified a new, sticky form of mitochondrial DNA damage that builds up at dramatically higher levels than in nuclear DNA. These lesions disrupt energy production and activate ...

Stanford's New Cell Therapy Cures Type 1 Diabetes in Mice

Nov. 26, 2025 Researchers at Stanford found a way to cure or prevent Type 1 diabetes in mice using a combined blood stem cell and islet cell transplant. The procedure creates a hybrid immune system that stops ...

Inflammation Turns Bone Marrow Into a Breeding Ground for Disease

Nov. 19, 2025 Researchers discovered that chronic inflammation fundamentally remodels the bone marrow, allowing mutated stem cell clones to quietly gain dominance with age. Reprogrammed stromal cells and ...

Everyday Microplastics Could Be Fueling Heart Disease

Nov. 18, 2025 Microplastics—tiny particles now found in food, water, air, and even human tissues—may directly accelerate artery-clogging disease, and new research shows the danger may be far greater for males. ...

Scientists Discover Hidden Switch That Helps Cancer Cells Survive

Dec. 1, 2025 Researchers have found a small but powerful switch inside breast cancer cells that helps them survive stressful conditions. When this switch flips, the cells activate protective programs that make ...

Scientists Reawaken Exhausted T Cells to Supercharge Cancer Immunity

Nov. 20, 2025 Researchers discovered a way to keep T cells from wearing out during the fight against cancer, and the approach could make immune-based treatments far more powerful. They found that tumors use a ...

Your Skin Has a Built-in Cancer Defense and Sunlight Turns It Off

Nov. 30, 2025 Scientists have uncovered how too much sunlight can flip a hidden switch inside skin cells that makes inflammation spiral out of control and increases the risk of cancer. Their research reveals that ...

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 ...

Cheap Gout Drug May Slash Heart Attack and Stroke Risk

Nov. 12, 2025 Colchicine, a cheap and widely used gout drug, may help prevent heart attacks and strokes in people with cardiovascular disease. Trials involving nearly 23,000 patients show meaningful reductions in ...

New DNA Test Predicts Dangerous Heart Rhythms Early

Nov. 17, 2025 Scientists at Northwestern Medicine have developed a new genetic risk score that predicts who is most likely to experience irregular or dangerous heart rhythms. The test merges several types of ...

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 ...

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 ...