Immune System News

December 31, 2025

Top Headlines

MIT Scientists Find a Way to Rejuvenate the Immune System as We Age

Dec. 29, 2025 As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA to the liver, they created a temporary source of immune-boosting signals that normally come from the thymus. Older mice ...

Stanford Scientists Uncover Why MRNA COVID Vaccines Can Trigger Heart Inflammation

Dec. 27, 2025 Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — and how that risk might be reduced. They found that the vaccines can spark a ...

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 both conditions were linked to significantly fewer ...

Tea May Strengthen Bones in Older Women While Heavy Coffee Weakens Them

Dec. 13, 2025 A decade-long study of older women found that tea drinkers had slightly stronger bones, while moderate coffee drinking caused no harm. Heavy coffee intake—over five cups a day—was linked to lower bone density, especially in women who consumed ...

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 UV radiation breaks down a protective protein ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver strain and elevated neurofilament light chain, a ...

New Study Shows Rheumatoid Arthritis Begins Long Before Symptoms

Nov. 26, 2025 Rheumatoid arthritis begins years before pain ever appears, and scientists have now mapped the hidden immune battle that unfolds long before symptoms. By studying people with RA-linked antibodies over seven years, researchers discovered sweeping ...

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 autoimmune attacks and eliminates the need for ...

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 the brain without invasive surgery. When paired ...

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 interferon-responsive T cells create a self-sustaining ...

Chronic Pain May Dramatically Raise Your Blood Pressure

Nov. 17, 2025 Chronic pain might quietly push people toward developing high blood pressure—and the more widespread the pain, the greater the danger. A massive analysis of over 200,000 adults uncovered strong links between long-lasting pain, depression, ...

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 ...

Latest Headlines

updated 3:02pm EST

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 ...

Strange Microscopic Structures Found in Long COVID Blood

Nov. 13, 2025 Scientists have discovered strange microscopic structures in the blood of people with Long COVID—clusters of tiny microclots tangled together with sticky immune webs known as neutrophil ...

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 ...

Electricity Reprograms Immune Cells to Speed Up Recovery

Oct. 30, 2025 By electrically stimulating macrophages, scientists at Trinity College Dublin have found a way to calm inflammation and promote faster healing. The process turns these immune cells into ...

Exercise and Omega-3s Could Be the Secret to Healthier Teeth

Oct. 26, 2025 Researchers found that combining regular exercise with omega-3 supplements can make a big difference for oral health. The duo helps the immune system fight off chronic tooth root infections and ...

MIT Discovers Amino Acid That Helps the Gut Heal Itself

Oct. 23, 2025 MIT scientists have found that an amino acid called cysteine can help the gut heal itself. In mouse studies, a cysteine-rich diet activated immune cells that release a molecule speeding up tissue ...

They Found the Switch That Makes the Body Attack Cancer

Oct. 16, 2025 Scientists have found a way to transform hard-to-treat tumors into targets for the immune system. Using two protein stimulators, they activated strong T-cell and B-cell responses and built immune ...

Exercise Might Be the Key to a Younger, Sharper Immune System

Oct. 14, 2025 Endurance exercise may train the immune system as much as the muscles. Older adults with decades of running or cycling had immune cells that functioned better and aged more slowly. Their inflammation ...

MIT’s “stealth” Immune Cells Could Change Cancer Treatment Forever

Oct. 11, 2025 MIT and Harvard scientists have designed an advanced type of immune cell called a CAR-NK cell that can destroy cancer while avoiding attack from the body’s own immune defenses. This innovation ...

Scientists Reveal Green Tea’s Fat-Burning Secret

Oct. 8, 2025 New research shows green tea may help the body burn fat and balance blood sugar. In a study with obese mice, it improved metabolism and muscle health without harming lean animals. Scientists say its ...

Brain Cancer That Eats the Skull Stuns Scientists

Oct. 5, 2025 A new study shows glioblastoma isn’t confined to the brain—it erodes the skull and hijacks the immune system within skull marrow. The cancer opens channels that let inflammatory cells enter the ...

Scientists Uncover How to Block Pain Without Side Effects

Sep. 26, 2025 Scientists have discovered a way to block pain while still allowing the body’s natural healing to take place. Current painkillers like ibuprofen and aspirin often come with harmful side effects ...

Scientists Finally Explain the Real Reason Pregnant Women Get Morning Sickness

Sep. 29, 2025 Morning sickness isn’t just random misery—it’s a biological defense system shaped by evolution to protect the fetus. By linking immune responses to nausea and food aversions, UCLA researchers ...

Cocoa Supplements Show Surprising Anti-Aging Potential

Sep. 27, 2025 Daily cocoa extract supplements reduced key inflammation markers in older adults, pointing to a role in protecting the heart. The findings reinforce the value of flavanol-rich, plant-based foods for ...

A Common Supplement Could Supercharge Cancer Treatments

Oct. 1, 2025 Zeaxanthin, best known for eye health, has been found to boost the tumor-killing power of T cells. Researchers showed it strengthens T-cell receptors, enhances immune signaling, and improves the ...

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 ...

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 ...

The Foods That Delay Dementia and Heart Disease. Backed by a 15-Year Study

Sep. 9, 2025 What we eat as we age may determine how many chronic illnesses we face later in life. A 15-year study of more than 2,400 older adults reveals that diets rich in vegetables, whole grains, nuts, and ...

A Tiny Chemistry Hack Just Made mRNA Vaccines Safer, Stronger, and Smarter

July 21, 2025 What if mRNA vaccines could be made more powerful and less irritating? Scientists at the University of Pennsylvania have found a way to do just that—by tweaking a key molecule in the vaccine’s ...

Hot Tubs Outperform Saunas in Boosting Blood Flow and Immune Power

June 26, 2025 Hot tubs don't just feel great, they may actually outperform saunas when it comes to health perks. A study found that soaking in hot water raises core body temperature more than dry or infrared ...

Parkinson’s May Begin Decades Earlier — and Your Immune System Might Know First

June 27, 2025 Misbehaving T cells light up long before Parkinson’s symptoms show, zeroing in on vulnerable brain proteins. Their early surge could double as an alarm bell and a target for stop-it-early ...

How Brain Cells Meant to Help May Be Making Depression Worse

June 24, 2025 Major depressive disorder affects hundreds of millions worldwide, but a key to understanding its origins may lie in the brain’s immune system. New findings spotlight astrocytes—previously ...

Large-Scale Immunity Profiling Grants Insights Into Flu Virus Evolution

June 3, 2025 A new study shows how person-to-person variation in antibody immunity plays a key role in shaping which influenza (flu) strains dominate in a ...

Tea, Berries, Dark Chocolate and Apples Could Lead to a Longer Life Span, Study Shows

June 3, 2025 Eating a colorful variety of flavonoid-rich foods like tea, berries, dark chocolate, and apples may significantly lower your risk of chronic diseases and even help you live longer. A major study ...

Preventing Chronic Inflammation from Turning Into Cancer

June 2, 2025 Chronic inflammatory bowel disease is challenging to treat and carries a risk of complications, including the development of bowel cancer. Young people are particularly affected: when genetic ...

Innovative Immunotherapy Shows Promise Against Aggressive T Cell Cancers

May 30, 2025 An international clinical trial shows an innovative CAR-T cell immunotherapy is promising against aggressive T cell cancers and has manageable side ...

Potential to Prevent and Treat a Common Type of Inflammatory Arthritis Advanced by the Identification of New Genetic Links

May 28, 2025 Researchers have discovered two genes, RNF144B and ENPP1, that cause calcium pyrophosphate deposition (CPPD) disease in Americans of European and African descent. This crystalline arthritis is caused ...

PREVENT Equation Accurately Estimated 10-Year CVD Risk and Those With Calcium Buildup

May 21, 2025 A new risk calculator accurately identified participants who had calcium buildup in their heart arteries and those who had a higher future heart attack risk, in an analysis of about 7,000 adults in ...

'Barcodes' Written Into Our DNA Reveal How Blood Ages

May 21, 2025 A study explains how age reshapes the blood system. In both humans and mice, a few stem cells out-compete their neighbors and gradually take over blood production. The loss of diversity results in a ...

Why Some Viral Infections Appear to Trigger Autoimmune Disease

May 20, 2025 By studying Chikungunya virus, scientists shed light on how immune responses to viral infections may lead to persistent symptoms of autoimmune ...