Human Biology News

March 23, 2026

Top Headlines

New Pill Cuts “Bad” Cholesterol by 60% in Major Trial

Mar. 21, 2026 A new pill, enlicitide, reduced LDL (“bad”) cholesterol by about 60% in a large clinical trial, matching the power of injectable therapies. Because it’s taken orally, it could overcome one of the biggest barriers keeping patients from using ...

Men Are Losing a Key Chromosome with Age and It May Be Deadly

Mar. 20, 2026 Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and shorter lifespans. Researchers suspect Y-less ...

Cutting Sweet Foods Doesn’t Reduce Cravings or Improve Health

Mar. 19, 2026 A new study suggests that eating less sweet food doesn’t make people crave it any less—or improve their health markers. Participants who increased or decreased sweetness in their diets showed no changes in preferences, weight, or disease risk. ...

The Surprising Cancer Link Between Cats and Humans

Mar. 18, 2026 Scientists have mapped the genetics of cancer in cats for the first time at scale, uncovering major overlaps with human cancers. Key mutations—like those linked to breast cancer—appear in both species, and some human cancer drugs may also work ...

Scientists Link Childhood Stress to Lifelong Digestive Issues

Mar. 17, 2026 Early life stress may set the stage for long-term digestive problems by disrupting the gut-brain connection. Studies in both mice and thousands of children found links to symptoms like pain, constipation, and IBS. Scientists discovered that ...

DNA Origami Vaccines Could Be the Next Leap Beyond MRNA

Mar. 17, 2026 mRNA vaccines saved millions of lives during COVID-19 but have limitations like waning immunity and complex production. Scientists are now testing a new platform called DoriVac, which uses folded DNA nanostructures to better control how the immune ...

Scientists Inject One Tumor and Watch Cancer Vanish Across the Body

Mar. 16, 2026 A redesigned cancer immunotherapy is showing striking early results after decades of disappointment with similar drugs. Researchers engineered a more powerful CD40 agonist antibody and changed how it’s delivered—injecting it directly into tumors ...

MIT Scientists Discover Gut Protein That Traps and Kills Dangerous Bacteria

Mar. 16, 2026 Scientists at MIT have discovered that a little-known protein called intelectin-2 plays a powerful double role in defending the gut. The protein strengthens the mucus layer that lines the gastrointestinal tract while also trapping and disabling ...

Severe COVID or Flu May Raise Lung Cancer Risk Years Later

Mar. 13, 2026 A severe case of COVID-19 or influenza could increase the risk of lung cancer later on, according to new research. Scientists discovered that serious viral infections can alter immune cells in the lungs, leaving behind chronic inflammation that may ...

A Surprising Blood Protein Pattern May Reveal Alzheimer’s

Mar. 12, 2026 A new study suggests Alzheimer’s disease may be detectable through subtle shape changes in proteins found in the blood. Researchers discovered that structural differences in three blood proteins closely track the progression of the disease. By ...

AI Finally Tests a Century Old Theory About How Cancer Begins

Mar. 10, 2026 Cancer often begins when the genetic instructions that guide our cells become scrambled, allowing cells to grow uncontrollably. Now, scientists at EMBL have developed an AI-powered system called MAGIC that can automatically spot and tag cells ...

Hidden Metabolism Found Operating Inside the Cell Nucleus

Mar. 9, 2026 Researchers have found hundreds of metabolic enzymes attached to human DNA inside the cell nucleus. Different tissues and cancers show unique patterns of these enzymes, forming a “nuclear metabolic fingerprint.” Some of the enzymes gather around ...

Latest Headlines

updated 6:08am EDT

Hidden Deep-Sea Proteins Could Supercharge Disease Tests

Mar. 14, 2026 Hidden in volcanic lakes and deep-sea vents, scientists have discovered tough new DNA-binding proteins built to survive extreme conditions. After scanning huge genetic databases, researchers found ...

Textbooks Were Wrong: Scientists Reveal the Surprising Way Human Hair Really Grows

Mar. 14, 2026 Hair may grow in a completely different way than scientists once believed. Instead of being pushed out from the root, new research shows that moving ...

Scientists Say This Simple Diet Change Could Transform Your Gut Health

Mar. 8, 2026 A growing trend called “fibermaxxing” is putting dietary fiber in the spotlight—and for good reason. Fiber plays a powerful role in keeping the body healthy, from supporting digestion and ...

Scientists Discover a Brain Signal That May Trigger Autism’s Domino Effect

Mar. 7, 2026 Researchers have uncovered a surprising molecular chain reaction in the brain that may play a role in some forms of autism. The study suggests that ...

Golden Retriever Genes Linked to Anxiety, Aggression, and Intelligence in Humans

Mar. 7, 2026 Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than ...

Scientists Create Cartilage Scaffold That Helps the Body Regrow Bone

Mar. 7, 2026 Researchers in Sweden have engineered a cell-free cartilage scaffold that can guide the body to rebuild damaged bone. By removing the cells but preserving the structure and natural growth signals, ...

Boosting a Key Brain Protein Could Help Treat Rett Syndrome

Mar. 6, 2026 Researchers have discovered a new way to increase a key brain protein damaged in Rett syndrome, a rare genetic disorder that affects thousands of children worldwide. Early studies in mice and ...

AI Blood Test Finds Silent Liver Disease Years Before Symptoms

Mar. 6, 2026 Researchers created an AI-driven liquid biopsy that scans patterns in fragments of DNA circulating in the blood. The system detected early liver fibrosis and cirrhosis—conditions that often go ...

Scientists Discover the Switch That Revives Exhausted Cancer-Fighting T Cells

Mar. 5, 2026 Scientists have uncovered new genetic rules that determine whether the immune system’s “killer” T cells remain powerful long-term defenders or ...

Scientists Just Found the Brain’s Hidden Defense Against Alzheimer’s

Mar. 3, 2026 A new study has uncovered why some brain cells are more resistant to Alzheimer’s damage than others. Researchers found a natural cleanup system that helps remove toxic tau protein before it can ...

How the Body Really Ages: 7 Million Cells Mapped Across 21 Organs

Feb. 28, 2026 Scientists have built a massive cellular atlas showing how aging reshapes the body across 21 organs. Studying nearly 7 million cells, they found that aging starts earlier than expected and unfolds in ...

Scientists Discover a Bacterial Kill Switch and It Could Change the Fight Against Superbugs

Feb. 28, 2026 Drug-resistant bacteria are becoming harder to treat, pushing scientists to look for new antibiotic targets. Researchers have now discovered that several unrelated viruses disable a key bacterial ...

American Heart Association Warns 60% of US Women Will Have Cardiovascular Disease by 2050

Feb. 27, 2026 Heart disease is on track to tighten its grip on American women. New projections from the American Heart Association warn that over the next 25 years, cardiovascular disease will rise sharply, driven ...

Scientists Create Universal Nasal Spray Vaccine That Protects Against COVID, Flu, and Pneumonia

Feb. 23, 2026 Scientists at Stanford Medicine have unveiled a bold new kind of “universal” vaccine that could one day protect against everything from COVID-19 and the flu to bacterial pneumonia and even common ...

Scientists Discover Why High Altitude Protects Against Diabetes

Feb. 21, 2026 Living at high altitude appears to protect against diabetes, and scientists have finally discovered the reason. When oxygen levels drop, red blood cells switch into a new metabolic mode and absorb ...

The Human Exposome Could Change Everything We Know About Disease

Feb. 14, 2026 Scientists are launching an ambitious global effort to map the “human exposome” — the lifelong mix of environmental and chemical exposures that drive most diseases. Backed by new partnerships ...

Insomnia and Sleep Apnea Together Dramatically Raise Heart Disease Risk

Mar. 1, 2026 Struggling to fall asleep and stopping breathing at night may be a far riskier combo than previously thought. In a study of nearly a million veterans, researchers found that having both insomnia and ...

Stop Eating 3 Hours Before Bed to Improve Heart Health

Feb. 15, 2026 A simple shift in your evening routine may give your heart a measurable boost. In a new study, adults who stopped eating and dimmed the lights three hours before bed and extended their overnight fast ...

Scientists Find Cancer-Linked Chemicals in Popular Hair Extensions

Feb. 19, 2026 A sweeping new study has uncovered a troubling mix of hazardous chemicals in popular hair extensions, including products made from human hair. Researchers detected dozens of substances linked to ...

This Reengineered HPV Vaccine Trains T Cells to Hunt Down Cancer

Feb. 18, 2026 Northwestern researchers have shown that when it comes to cancer vaccines, arrangement can be just as important as ingredients. By repositioning a small fragment of an HPV protein on a DNA-based ...

Changing When You Eat Dramatically Reduced Crohn’s Disease Symptoms

Feb. 11, 2026 A new clinical trial suggests that changing when you eat could make a meaningful difference for people living with Crohn’s disease. Researchers found that time-restricted feeding, a form of ...

When Immune Cells Stop Fighting Cancer and Start Helping It

Feb. 10, 2026 Scientists have uncovered a surprising way tumors turn the immune system to their advantage. Researchers at the University of Geneva found that neutrophils—normally frontline defenders against ...

Ultra-Processed Foods Linked to 47% Higher Risk of Heart Attack and Stroke

Feb. 10, 2026 Ultra-processed foods are everywhere in the American diet, and researchers are finding alarming consequences. Using national health data, scientists found that adults with the highest intake of these ...

Scientists Find a Missing Link Between Epstein-Barr Virus and Multiple Sclerosis

Feb. 6, 2026 New research suggests that Epstein-Barr virus may actively provoke the immune system in people with multiple sclerosis. Scientists found large buildups of virus-targeting immune cells in the nervous ...

A Century of Hair Shows How Lead Exposure Collapsed

Feb. 7, 2026 For decades, Americans were surrounded by lead from car exhaust, factories, paint, and even drinking water, often without realizing the damage it caused. By analyzing hair samples preserved across ...

New Nasal Vaccine Shows Strong Protection Against H5N1 Bird Flu

Feb. 4, 2026 As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong ...

Ancient DNA Solves 12,000-Year-Old Mystery of Rare Genetic Growth Disorder

Feb. 17, 2026 An Ice Age double burial in Italy has yielded a stunning genetic revelation. DNA from a mother and daughter who lived over 12,000 years ago shows that the younger had a rare inherited growth ...

Late Bedtimes Are Linked to Higher Heart Disease Risk

Jan. 30, 2026 People who naturally stay up late may be putting their hearts under added strain as they age. A large study tracking more than 300,000 adults found that middle-aged and older night owls had poorer ...

The Early Turning Point When Men’s Heart Risk Accelerates

Jan. 30, 2026 Men start developing heart disease earlier than women, with risks rising faster beginning around age 35, according to long-term research. The difference is driven mainly by coronary heart disease, ...

The Hidden Reason Cancer Immunotherapy Often Fails

Jan. 28, 2026 Cancer immunotherapy has been a game-changer, but many tumors still find ways to slip past the immune system. New research reveals a hidden trick: cancer cells can package the immune-blocking protein ...