Human Biology News

September 19, 2025

Top Headlines

Stress Measured in Hair Could Predict Depression and Anxiety in Children

Sep. 16, 2025 — Researchers from the University of Waterloo discovered that measuring long-term stress through children’s hair samples can reveal early signs of mental health risks in those living with chronic physical illnesses. Children with persistently high ...

Blocked Blood Flow Makes Cancer Grow Faster

Sep. 11, 2025 — Researchers at NYU Langone Health discovered that cutting off blood flow accelerates cancer growth by prematurely aging the bone marrow and weakening the immune system. In mouse models, restricted blood flow doubled the growth rate of breast tumors, ...

Ozempic’s Hidden Pregnancy Risk Few Women Know About

Sep. 9, 2025 — Thousands of women are using GLP-1 drugs like Ozempic for weight loss without contraception, leading to unintended pregnancies and potential risks for unborn babies. Experts warn clearer medical guidance is urgently ...

How Orangutans Thrive in Feast and Famine Without Gaining Weight

Sep. 9, 2025 — Orangutans, humans’ close evolutionary relatives, have developed remarkable strategies to survive in the unpredictable rainforests of Borneo. A Rutgers-led study reveals that these apes balance protein intake and adjust their activity to match ...

One Number at Age 7 Could Predict How Long You Live

Sep. 7, 2025 — Children with higher blood pressure as young as age 7 face a sharply increased risk of dying from cardiovascular disease by their mid-50s, according to a massive decades-long study. Researchers found that even moderately elevated readings, not just ...

Scientists Just Made CRISPR Three Times More Effective

Sep. 7, 2025 — Northwestern scientists have developed a new nanostructure that supercharges CRISPR’s ability to safely and efficiently enter cells, potentially unlocking its full power to treat genetic diseases. By wrapping CRISPR’s tools in spherical ...

Sweeteners in Diet Drinks May Steal Years from the Brain

Sep. 4, 2025 — A large Brazilian study following more than 12,000 middle-aged adults found that those consuming the most artificial sweeteners—commonly found in diet sodas, flavored waters, and processed snacks—experienced significantly faster declines in ...

Hidden Viruses in Our DNA Could Be Medicine’s Next Big Breakthrough

Sep. 3, 2025 — Scientists have decoded the 3D structure of an ancient viral protein hidden in our DNA. The HERV-K Env protein, found on cancer and autoimmune cells, has a unique shape that could unlock new diagnostics and ...

Exercise May Actually Reverse Your Body’s Aging Clock

Aug. 31, 2025 — New research suggests that exercise may not just make us feel younger—it could actually slow or even reverse the body’s molecular clock. By looking at DNA markers of aging, scientists found that structured exercise like aerobic and strength ...

New AI Model Predicts Which Genetic Mutations Truly Drive Disease

Aug. 30, 2025 — Scientists at Mount Sinai have created an artificial intelligence system that can predict how likely rare genetic mutations are to actually cause disease. By combining machine learning with millions of electronic health records and routine lab tests ...

Why Ultra-processed Diets Make You Gain Fat Even Without Extra Calories

Aug. 30, 2025 — Men eating ultra-processed foods gained more fat than those eating unprocessed meals, even with equal calories. Their hormone levels shifted in worrying ways, with testosterone falling and pollutants rising. Researchers say the processing itself, ...

Scientists Found 3 Simple Tweaks That Cut Diabetes Risk by 31%

Aug. 29, 2025 — A Mediterranean diet alone is healthy, but when combined with calorie control, exercise, and support, it cuts type 2 diabetes risk by 31%. The PREDIMED-Plus study followed almost 5,000 participants for six years, making it Europe’s largest ...

Latest Headlines

updated 9:42am EDT

The Hidden DNA Organizer Linking Fertility and Cancer

Aug. 26, 2025 — Scientists at Kyoto University have uncovered a hidden protein complex that organizes DNA in sperm stem cells, a discovery that reveals surprising ties between fertility and cancer. When this ...

The Common Cold’s Unexpected Superpower Against COVID

Aug. 26, 2025 — A nationwide study found that recent colds caused by rhinoviruses can give short-term protection against COVID-19. Children benefit most, as their immune systems react strongly with antiviral ...

Eating Meat May Protect Against Cancer, Landmark Research Shows

Aug. 25, 2025 — A large study of nearly 16,000 adults found no link between eating animal protein and higher death risk. Surprisingly, higher animal protein intake was associated with lower cancer mortality, ...

Your Brain Works Overtime at Night to Burn Fat and Prevent Sugar Crashes

Aug. 24, 2025 — Researchers uncovered that hypothalamic neurons safeguard blood sugar overnight by directing fat breakdown, preventing hypoglycemia during early sleep. This subtle control system may explain abnormal ...

Genetic Evidence Confirms Early Puberty Accelerates Aging and Disease

Aug. 20, 2025 — Researchers discovered that early puberty or childbirth doubles women’s risk for major diseases and accelerates aging, while later timing offers protective benefits. Genetic analysis reveals ...

Columbia Scientists May Have Found a Universal Antiviral

Aug. 19, 2025 — A rare immune disorder has inspired a potential universal antiviral therapy. By mimicking the mutation s unique inflammation signature, researchers developed an mRNA-based treatment that stopped ...

A New Cancer Vaccine Just Wiped out Tumors in Mice

Aug. 19, 2025 — A breakthrough mRNA cancer vaccine has shown the ability to supercharge the effects of immunotherapy in mice, sparking hope for a universal “off-the-shelf” treatment that could fight multiple ...

Injectable “skin in a Syringe” Could Heal Burns Without Scars

Aug. 14, 2025 — Scientists in Sweden have developed a groundbreaking “skin in a syringe” — a gel packed with live cells that can be applied directly to wounds or even 3D-printed into skin grafts. Designed to ...

Scientists Detect Virus Traces in Blood That May Unlock Long COVID’s Mystery

Aug. 12, 2025 — Scientists have found protein fragments from the COVID-19 virus hidden inside tiny cellular packages in the blood of long COVID patients, offering ...

Scientists Reversed Memory Loss by Powering the Brain’s Tiny Engines

Aug. 12, 2025 — Scientists have discovered a direct cause-and-effect link between faulty mitochondria and the memory loss seen in neurodegenerative diseases. By creating a novel tool to boost mitochondrial activity ...

The Parasite That Turns Off Your Body’s Pain Alarm and Sneaks in

Aug. 12, 2025 — Scientists have discovered a parasite that can sneak into your skin without you feeling a thing. The worm, Schistosoma mansoni, has evolved a way to switch off the body’s pain and itch signals, ...

Scientists Just Found a Tiny Molecule That Could Change How We Lose Weight

Aug. 10, 2025 — Researchers at the Salk Institute have used CRISPR to uncover hidden microproteins that control fat cell growth and lipid storage, identifying one confirmed target, Adipocyte-smORF-1183. This ...

New “evolution Engine” Creates Super-Proteins 100,000x Faster

Aug. 8, 2025 — Researchers at Scripps have created T7-ORACLE, a powerful new tool that speeds up evolution, allowing scientists to design and improve proteins thousands of times faster than nature. Using engineered ...

Losing Weight but Gaining Weakness? What Ozempic Might Be Doing to Your Muscles

Aug. 10, 2025 — Ozempic’s weight loss benefits might come at the cost of muscle strength, even if muscle size remains relatively stable. This raises significant concerns for older adults, who are already at risk ...

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 ...

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. ...

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 ...

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 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 ...

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 ...

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 ...

Breakthrough: How Radiation Helps the Immune System Kill Cancer

July 23, 2025 — Radiation therapy, once thought of mainly as a local cancer treatment, is now showing power to awaken the immune system in surprising ways. Researchers discovered that combining radiation with ...

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 ...

Scientists Just Discovered a Secret Code Hidden in Your DNA

July 20, 2025 — What scientists once dismissed as junk DNA may actually be some of the most powerful code in our genome. A new international study reveals that ancient viral DNA buried in our genes plays an active ...

Why Trump’s Leg Swelling Could Be a Warning Sign for Millions

July 18, 2025 — President Trump s diagnosis of Chronic Venous Insufficiency (CVI) has brought renewed attention to a frequently overlooked yet dangerous condition. CVI affects the ability of veins especially in the ...

Three-Person DNA IVF Stops Inherited Disease—eight Healthy Babies Born in UK First

July 18, 2025 — In a groundbreaking UK first, eight healthy babies have been born using an IVF technique that includes DNA from three people—two parents and a female donor. The process, known as pronuclear ...

Tai Chi, Yoga, and Jogging Rival Pills for Beating Insomnia

July 17, 2025 — Yoga, Tai Chi, walking, and jogging may be some of the best natural remedies for improving sleep and tackling insomnia, according to a large analysis comparing various treatments. While cognitive ...

Scientists Just Resurrected the 1918 “Spanish Flu” Virus—here’s What They Found

July 24, 2025 — Scientists in Switzerland have cracked open a century-old viral mystery by decoding the genome of the 1918 influenza virus from a preserved Zurich patient. This ancient RNA revealed that the virus ...

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 ...