Women's Health News

February 14, 2026

Top Headlines

Omega-3 Fish Oil Supplements Could Backfire Without This Key Enzyme

Feb. 13, 2026 Fish oil’s cancer-fighting reputation may hinge on a little-known gene. Researchers discovered that omega-3s like EPA and DHA help curb colorectal cancer only when the enzyme ALOX15 is present. Without it, fish oil sometimes increased tumor growth ...

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 infection—can be reprogrammed inside tumors to fuel ...

A Secret Cell Alliance May Explain Why Ovarian Cancer Is so Deadly

Feb. 9, 2026 Scientists have discovered why ovarian cancer spreads so rapidly through the abdomen. Cancer cells enlist normally protective abdominal cells, forming mixed groups that work together to invade new tissue. These helper cells lead the way, allowing ...

Menopause Linked to Grey Matter Loss in Key Brain Regions

Feb. 7, 2026 A major study suggests menopause is linked to changes in brain structure, mental health, and sleep. Brain scans revealed grey matter loss in areas tied to memory and emotional regulation, while many women reported increased anxiety, depression, and ...

Why Colorectal Cancer Breaks the Immune System’s Rules

Feb. 6, 2026 Colorectal cancer has long baffled scientists because, unlike most tumors, patients often do better when their cancers are packed with immune-suppressing regulatory T cells. New research finally explains why. Scientists discovered that these T cells ...

New Nasal Vaccine Shows Strong Protection Against H5N1 Bird Flu

Feb. 5, 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 protection against H5N1 in animal tests, ...

Why Heart Disease Risk in Type 2 Diabetes Looks Different for Men and Women

Feb. 4, 2026 Scientists are digging into why heart disease risk in type 2 diabetes differs between men and women—and sex hormones may be part of the story. In a large Johns Hopkins study, men with higher testosterone had lower heart disease risk, while rising ...

Scientists Find Hidden Pathways Pancreatic Cancer Uses to Spread

Jan. 30, 2026 Researchers have discovered how pancreatic cancer reprograms its surroundings to spread quickly and stealthily. By using a protein called periostin, the tumor remodels nearby tissue and invades nerves, which helps cancer cells travel and form ...

A Trojan Horse Cancer Therapy Shows Stunning Results

Jan. 30, 2026 Scientists at Mount Sinai have unveiled a bold new way to fight metastatic cancer by turning the tumor’s own defenses against it. Instead of attacking cancer cells head-on, the experimental immunotherapy targets macrophages—immune cells that ...

Dermatologists Say Collagen Supplements Aren’t the Skin Fix People Expect

Jan. 29, 2026 Collagen pills sound like a shortcut to younger skin, but solid evidence doesn’t back them up. Higher-quality studies show little benefit, and your body doesn’t absorb collagen in the way ads suggest. Some supplements may even pose safety ...

Scientists Turn Tumor Immune Cells Into Cancer Killers

Jan. 28, 2026 Scientists at KAIST have found a way to turn a tumor’s own immune cells into powerful cancer fighters—right inside the body. Tumors are packed with macrophages, immune cells that should attack cancer but are usually silenced by the tumor ...

This Discovery Could Let Bones Benefit from Exercise Without Moving

Jan. 27, 2026 Researchers have discovered a biological switch that explains why movement keeps bones strong. The protein senses physical activity and pushes bone marrow stem cells to build bone instead of storing fat, slowing age-related bone loss. By targeting ...

Latest Headlines

updated 1:12am EST

Scientists Find a Clue to Human Brain Evolution in Finger Length

Feb. 10, 2026 Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers — ...

Brain Cancer May Begin Years Before Doctors Can See It

Jan. 29, 2026 Scientists in South Korea have discovered that one of the most common malignant brain tumors in young adults may begin years before a tumor can be seen. IDH-mutant glioma, long treated by removing ...

Scientists Just Cracked the Hidden Rules of Cancer Evolution

Jan. 26, 2026 Cancer doesn’t evolve by pure chaos. Scientists have developed a powerful new method that reveals the hidden rules guiding how cancer cells gain and lose whole chromosomes—massive genetic shifts ...

Scientists Exposed How Cancer Hides in Plain Sight

Jan. 25, 2026 Pancreatic cancer may evade the immune system using a clever molecular trick. Researchers found that the cancer-driving protein MYC also suppresses immune alarm signals, allowing tumors to grow ...

This New Antibody May Stop One of the Deadliest Breast Cancers

Jan. 22, 2026 Researchers have identified a promising new weapon against triple-negative breast cancer, one of the most aggressive forms of the disease. An experimental antibody targets a protein that fuels tumor ...

A Common Painkiller May Be Quietly Changing Cancer Risk

Jan. 20, 2026 Ibuprofen may be doing more than easing aches and pains—it could also help reduce the risk of some cancers. Studies have linked regular use to lower rates of endometrial and bowel cancer, likely ...

How Cancer Disrupts the Brain and Triggers Anxiety and Insomnia

Jan. 18, 2026 Scientists have discovered that breast cancer can quietly throw the brain’s internal clock off balance—almost immediately after cancer begins. In mice, tumors flattened the natural daily rhythm ...

Vitamin A May Be Helping Cancer Hide from the Immune System

Jan. 16, 2026 A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack and weakening cancer vaccines. Scientists have now developed a drug that shuts down this ...

Northwestern Medicine’s New Antibody Wakes the Immune System Against Pancreatic Cancer

Jan. 15, 2026 Pancreatic cancer uses a sugar-coated disguise to evade the immune system, helping explain why it’s so hard to treat. Northwestern scientists ...

Scientists Discover How the Uterus Knows When to Push During Childbirth

Jan. 13, 2026 Childbirth depends not just on hormones, but on the uterus’s ability to sense physical force. Scientists found that pressure and stretch sensors in uterine muscles and surrounding nerves work ...

Long COVID May Be Fueled by Inflammation and Tiny Clots

Jan. 8, 2026 Long COVID affects an estimated 65 million people worldwide and can damage the brain, heart, blood vessels, and immune system long after infection. Researchers now link symptoms to lingering virus, ...

Menopause Symptoms Are Common Even in Elite Endurance Athletes

Jan. 2, 2026 Menopause symptoms are common among female endurance athletes and often interfere with training and performance. A survey of women aged 40–60 who train regularly found high rates of sleep problems, ...

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 ...

Cannabis Compounds Show Unexpected Power Against Ovarian Cancer

Dec. 15, 2025 Scientists have discovered that key compounds from cannabis—CBD and THC—show surprisingly strong effects against ovarian cancer cells. Used together, they slow cell growth, reduce colony ...

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 ...

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 ...

Cancer Cells Depend on a Dangerous DNA Repair Trick

Dec. 27, 2025 Researchers have discovered how cells activate a last-resort DNA repair system when severe damage strikes. When genetic tangles overwhelm normal repair pathways, cells flip on a fast but error-prone ...

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 ...

AI Finds a Hidden Stress Signal Inside Routine CT Scans

Dec. 14, 2025 Researchers used a deep learning AI model to uncover the first imaging-based biomarker of chronic stress by measuring adrenal gland volume on routine CT scans. This new metric, the Adrenal Volume ...

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 ...

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 ...

Scientists Reveal a Hidden Hormone Switch for Learning

Nov. 21, 2025 Researchers uncovered how estrogen subtly reshapes learning by strengthening dopamine reward signals in the brain. Rats learned faster when estrogen levels were high and struggled when the ...

Scientists Turn Body Fat Into Bone to Heal Spinal Fractures

Nov. 11, 2025 Researchers in Osaka have found that stem cells from fat tissue can repair spinal fractures similar to those caused by osteoporosis. By turning these cells into bone-forming clusters and pairing them ...

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 ...

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, ...

Brain Fog During Menopause? Here’s What’s Really Going on

Oct. 21, 2025 Menopause brings profound shifts not just in hormones but in the very structure of the brain. Scientists have found that gray matter in regions tied to memory and thinking can shrink, while white ...

Cancer Patients Who Got a COVID Vaccine Lived Much Longer

Oct. 19, 2025 A groundbreaking study reveals that cancer patients who received a COVID-19 mRNA vaccine within 100 days of starting immunotherapy lived dramatically longer than those who didn’t. Researchers from ...

How Cutting Lipids Could Starve Breast Cancer

Oct. 19, 2025 Researchers found that triple-negative breast cancer cells are “addicted” to lipids, a feature tied to obesity. By studying mice, they discovered that high lipid levels alone accelerate tumor ...

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, ...